Home / 38,305.98-52,856.55-21,535.74

Finding the Fourth Proportional to 38,305.98, 52,856.55 and 21,535.74

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Solution

The fourth proportional to 38,305.98, 52,856.55 and 21,535.74 is: 29,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.98 : 52,856.55 = 21,535.74 : x
  2. Step 2: Convert to fraction form
    38,305.98/52,856.55 = 21,535.74/x
  3. Step 3: Cross multiply
    38,305.98x = 52,856.55 × 21,535.74
  4. Step 4: Simplify right side
    38,305.98x = 1,138,304,918.10
  5. Step 5: Solve for x
    x = 1,138,304,918.10/38,305.98
  6. Step 6: Final answer
    x = 29,716.12

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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.