Home / 38,220.33-52,744.54-21,225.63

Finding the Fourth Proportional to 38,220.33, 52,744.54 and 21,225.63

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Solution

The fourth proportional to 38,220.33, 52,744.54 and 21,225.63 is: 29,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.33 : 52,744.54 = 21,225.63 : x
  2. Step 2: Convert to fraction form
    38,220.33/52,744.54 = 21,225.63/x
  3. Step 3: Cross multiply
    38,220.33x = 52,744.54 × 21,225.63
  4. Step 4: Simplify right side
    38,220.33x = 1,119,536,090.56
  5. Step 5: Solve for x
    x = 1,119,536,090.56/38,220.33
  6. Step 6: Final answer
    x = 29,291.64

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,221.33, 52,745.92 and 21,226.63
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.