Home / 43,519.52-65,279.28-13,937.24

Finding the Fourth Proportional to 43,519.52, 65,279.28 and 13,937.24

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Solution

The fourth proportional to 43,519.52, 65,279.28 and 13,937.24 is: 20,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,519.52 : 65,279.28 = 13,937.24 : x
  2. Step 2: Convert to fraction form
    43,519.52/65,279.28 = 13,937.24/x
  3. Step 3: Cross multiply
    43,519.52x = 65,279.28 × 13,937.24
  4. Step 4: Simplify right side
    43,519.52x = 909,812,992.39
  5. Step 5: Solve for x
    x = 909,812,992.39/43,519.52
  6. Step 6: Final answer
    x = 20,905.86

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Similar ratio
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1.5x scale

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.