Home / 38,131.39-52,623.27-21,992.71

Finding the Fourth Proportional to 38,131.39, 52,623.27 and 21,992.71

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Solution

The fourth proportional to 38,131.39, 52,623.27 and 21,992.71 is: 30,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.39 : 52,623.27 = 21,992.71 : x
  2. Step 2: Convert to fraction form
    38,131.39/52,623.27 = 21,992.71/x
  3. Step 3: Cross multiply
    38,131.39x = 52,623.27 × 21,992.71
  4. Step 4: Simplify right side
    38,131.39x = 1,157,328,316.36
  5. Step 5: Solve for x
    x = 1,157,328,316.36/38,131.39
  6. Step 6: Final answer
    x = 30,351.07

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,132.39, 52,624.65 and 21,993.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.