Home / 42,535.59-63,812.61-12,952.65

Finding the Fourth Proportional to 42,535.59, 63,812.61 and 12,952.65

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Solution

The fourth proportional to 42,535.59, 63,812.61 and 12,952.65 is: 19,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,535.59 : 63,812.61 = 12,952.65 : x
  2. Step 2: Convert to fraction form
    42,535.59/63,812.61 = 12,952.65/x
  3. Step 3: Cross multiply
    42,535.59x = 63,812.61 × 12,952.65
  4. Step 4: Simplify right side
    42,535.59x = 826,542,402.92
  5. Step 5: Solve for x
    x = 826,542,402.92/42,535.59
  6. Step 6: Final answer
    x = 19,431.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.