Home / 39,687.93-54,767.55-23,781.21

Finding the Fourth Proportional to 39,687.93, 54,767.55 and 23,781.21

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Solution

The fourth proportional to 39,687.93, 54,767.55 and 23,781.21 is: 32,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.93 : 54,767.55 = 23,781.21 : x
  2. Step 2: Convert to fraction form
    39,687.93/54,767.55 = 23,781.21/x
  3. Step 3: Cross multiply
    39,687.93x = 54,767.55 × 23,781.21
  4. Step 4: Simplify right side
    39,687.93x = 1,302,438,488.83
  5. Step 5: Solve for x
    x = 1,302,438,488.83/39,687.93
  6. Step 6: Final answer
    x = 32,816.99

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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.