Home / 49,976.13-74,930.85-20,386.02

Finding the Fourth Proportional to 49,976.13, 74,930.85 and 20,386.02

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Solution

The fourth proportional to 49,976.13, 74,930.85 and 20,386.02 is: 30,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,976.13 : 74,930.85 = 20,386.02 : x
  2. Step 2: Convert to fraction form
    49,976.13/74,930.85 = 20,386.02/x
  3. Step 3: Cross multiply
    49,976.13x = 74,930.85 × 20,386.02
  4. Step 4: Simplify right side
    49,976.13x = 1,527,541,806.72
  5. Step 5: Solve for x
    x = 1,527,541,806.72/49,976.13
  6. Step 6: Final answer
    x = 30,565.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.