Home / 38,073.31-52,542.89-21,306.31

Finding the Fourth Proportional to 38,073.31, 52,542.89 and 21,306.31

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Solution

The fourth proportional to 38,073.31, 52,542.89 and 21,306.31 is: 29,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.31 : 52,542.89 = 21,306.31 : x
  2. Step 2: Convert to fraction form
    38,073.31/52,542.89 = 21,306.31/x
  3. Step 3: Cross multiply
    38,073.31x = 52,542.89 × 21,306.31
  4. Step 4: Simplify right side
    38,073.31x = 1,119,494,996.10
  5. Step 5: Solve for x
    x = 1,119,494,996.10/38,073.31
  6. Step 6: Final answer
    x = 29,403.67

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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.