Home / 39,711.52-54,744.01-28,360.99

Finding the Fourth Proportional to 39,711.52, 54,744.01 and 28,360.99

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Solution

The fourth proportional to 39,711.52, 54,744.01 and 28,360.99 is: 39,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.52 : 54,744.01 = 28,360.99 : x
  2. Step 2: Convert to fraction form
    39,711.52/54,744.01 = 28,360.99/x
  3. Step 3: Cross multiply
    39,711.52x = 54,744.01 × 28,360.99
  4. Step 4: Simplify right side
    39,711.52x = 1,552,594,320.17
  5. Step 5: Solve for x
    x = 1,552,594,320.17/39,711.52
  6. Step 6: Final answer
    x = 39,096.82

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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.