Home / 38,265.50-52,805.70-21,269.43

Finding the Fourth Proportional to 38,265.50, 52,805.70 and 21,269.43

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Solution

The fourth proportional to 38,265.50, 52,805.70 and 21,269.43 is: 29,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.50 : 52,805.70 = 21,269.43 : x
  2. Step 2: Convert to fraction form
    38,265.50/52,805.70 = 21,269.43/x
  3. Step 3: Cross multiply
    38,265.50x = 52,805.70 × 21,269.43
  4. Step 4: Simplify right side
    38,265.50x = 1,123,147,139.75
  5. Step 5: Solve for x
    x = 1,123,147,139.75/38,265.50
  6. Step 6: Final answer
    x = 29,351.43

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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.