Home / 49,138.65-73,726.20-19,577.70

Finding the Fourth Proportional to 49,138.65, 73,726.20 and 19,577.70

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Solution

The fourth proportional to 49,138.65, 73,726.20 and 19,577.70 is: 29,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.65 : 73,726.20 = 19,577.70 : x
  2. Step 2: Convert to fraction form
    49,138.65/73,726.20 = 19,577.70/x
  3. Step 3: Cross multiply
    49,138.65x = 73,726.20 × 19,577.70
  4. Step 4: Simplify right side
    49,138.65x = 1,443,389,425.74
  5. Step 5: Solve for x
    x = 1,443,389,425.74/49,138.65
  6. Step 6: Final answer
    x = 29,373.81

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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.