Home / 49,909.91-74,780.19-30,146.92

Finding the Fourth Proportional to 49,909.91, 74,780.19 and 30,146.92

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Solution

The fourth proportional to 49,909.91, 74,780.19 and 30,146.92 is: 45,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,909.91 : 74,780.19 = 30,146.92 : x
  2. Step 2: Convert to fraction form
    49,909.91/74,780.19 = 30,146.92/x
  3. Step 3: Cross multiply
    49,909.91x = 74,780.19 × 30,146.92
  4. Step 4: Simplify right side
    49,909.91x = 2,254,392,218.56
  5. Step 5: Solve for x
    x = 2,254,392,218.56/49,909.91
  6. Step 6: Final answer
    x = 45,169.23

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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.