Home / 54,740.07-75,545.91-30,871.71

Finding the Fourth Proportional to 54,740.07, 75,545.91 and 30,871.71

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Solution

The fourth proportional to 54,740.07, 75,545.91 and 30,871.71 is: 42,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.07 : 75,545.91 = 30,871.71 : x
  2. Step 2: Convert to fraction form
    54,740.07/75,545.91 = 30,871.71/x
  3. Step 3: Cross multiply
    54,740.07x = 75,545.91 × 30,871.71
  4. Step 4: Simplify right side
    54,740.07x = 2,332,231,425.21
  5. Step 5: Solve for x
    x = 2,332,231,425.21/54,740.07
  6. Step 6: Final answer
    x = 42,605.56

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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.