Home / 39,757.10-54,861.50-22,757.42

Finding the Fourth Proportional to 39,757.10, 54,861.50 and 22,757.42

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Solution

The fourth proportional to 39,757.10, 54,861.50 and 22,757.42 is: 31,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.10 : 54,861.50 = 22,757.42 : x
  2. Step 2: Convert to fraction form
    39,757.10/54,861.50 = 22,757.42/x
  3. Step 3: Cross multiply
    39,757.10x = 54,861.50 × 22,757.42
  4. Step 4: Simplify right side
    39,757.10x = 1,248,506,391.38
  5. Step 5: Solve for x
    x = 1,248,506,391.38/39,757.10
  6. Step 6: Final answer
    x = 31,403.36

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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.