Home / 38,632.37-53,316.08-21,636.35

Finding the Fourth Proportional to 38,632.37, 53,316.08 and 21,636.35

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Solution

The fourth proportional to 38,632.37, 53,316.08 and 21,636.35 is: 29,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.37 : 53,316.08 = 21,636.35 : x
  2. Step 2: Convert to fraction form
    38,632.37/53,316.08 = 21,636.35/x
  3. Step 3: Cross multiply
    38,632.37x = 53,316.08 × 21,636.35
  4. Step 4: Simplify right side
    38,632.37x = 1,153,565,367.51
  5. Step 5: Solve for x
    x = 1,153,565,367.51/38,632.37
  6. Step 6: Final answer
    x = 29,860.07

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Double scale
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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.