Home / 52,752.18-79,122.12-13,309.62

Finding the Fourth Proportional to 52,752.18, 79,122.12 and 13,309.62

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Solution

The fourth proportional to 52,752.18, 79,122.12 and 13,309.62 is: 19,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.18 : 79,122.12 = 13,309.62 : x
  2. Step 2: Convert to fraction form
    52,752.18/79,122.12 = 13,309.62/x
  3. Step 3: Cross multiply
    52,752.18x = 79,122.12 × 13,309.62
  4. Step 4: Simplify right side
    52,752.18x = 1,053,085,350.79
  5. Step 5: Solve for x
    x = 1,053,085,350.79/52,752.18
  6. Step 6: Final answer
    x = 19,962.88

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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.