Home / 63,513.72-87,609.24-40,882.20

Finding the Fourth Proportional to 63,513.72, 87,609.24 and 40,882.20

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Solution

The fourth proportional to 63,513.72, 87,609.24 and 40,882.20 is: 56,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,513.72 : 87,609.24 = 40,882.20 : x
  2. Step 2: Convert to fraction form
    63,513.72/87,609.24 = 40,882.20/x
  3. Step 3: Cross multiply
    63,513.72x = 87,609.24 × 40,882.20
  4. Step 4: Simplify right side
    63,513.72x = 3,581,658,471.53
  5. Step 5: Solve for x
    x = 3,581,658,471.53/63,513.72
  6. Step 6: Final answer
    x = 56,391.89

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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.