Home / 52,962.10-79,443.06-13,519.20

Finding the Fourth Proportional to 52,962.10, 79,443.06 and 13,519.20

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Solution

The fourth proportional to 52,962.10, 79,443.06 and 13,519.20 is: 20,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,962.10 : 79,443.06 = 13,519.20 : x
  2. Step 2: Convert to fraction form
    52,962.10/79,443.06 = 13,519.20/x
  3. Step 3: Cross multiply
    52,962.10x = 79,443.06 × 13,519.20
  4. Step 4: Simplify right side
    52,962.10x = 1,074,006,616.75
  5. Step 5: Solve for x
    x = 1,074,006,616.75/52,962.10
  6. Step 6: Final answer
    x = 20,278.78

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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.