Home / 52,780.86-79,171.26-13,337.97

Finding the Fourth Proportional to 52,780.86, 79,171.26 and 13,337.97

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Solution

The fourth proportional to 52,780.86, 79,171.26 and 13,337.97 is: 20,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.86 : 79,171.26 = 13,337.97 : x
  2. Step 2: Convert to fraction form
    52,780.86/79,171.26 = 13,337.97/x
  3. Step 3: Cross multiply
    52,780.86x = 79,171.26 × 13,337.97
  4. Step 4: Simplify right side
    52,780.86x = 1,055,983,890.74
  5. Step 5: Solve for x
    x = 1,055,983,890.74/52,780.86
  6. Step 6: Final answer
    x = 20,006.95

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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.