Home / 39,463.83-54,463.85-21,561.53

Finding the Fourth Proportional to 39,463.83, 54,463.85 and 21,561.53

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Solution

The fourth proportional to 39,463.83, 54,463.85 and 21,561.53 is: 29,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.83 : 54,463.85 = 21,561.53 : x
  2. Step 2: Convert to fraction form
    39,463.83/54,463.85 = 21,561.53/x
  3. Step 3: Cross multiply
    39,463.83x = 54,463.85 × 21,561.53
  4. Step 4: Simplify right side
    39,463.83x = 1,174,323,691.72
  5. Step 5: Solve for x
    x = 1,174,323,691.72/39,463.83
  6. Step 6: Final answer
    x = 29,756.96

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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.