Home / 48,279.71-72,425.03-43,318.86

Finding the Fourth Proportional to 48,279.71, 72,425.03 and 43,318.86

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Solution

The fourth proportional to 48,279.71, 72,425.03 and 43,318.86 is: 64,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.71 : 72,425.03 = 43,318.86 : x
  2. Step 2: Convert to fraction form
    48,279.71/72,425.03 = 43,318.86/x
  3. Step 3: Cross multiply
    48,279.71x = 72,425.03 × 43,318.86
  4. Step 4: Simplify right side
    48,279.71x = 3,137,369,518.47
  5. Step 5: Solve for x
    x = 3,137,369,518.47/48,279.71
  6. Step 6: Final answer
    x = 64,983.20

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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.