Home / 43,499.20-65,251.28-12,332

Finding the Fourth Proportional to 43,499.20, 65,251.28 and 12,332

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Solution

The fourth proportional to 43,499.20, 65,251.28 and 12,332 is: 18,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,499.20 : 65,251.28 = 12,332 : x
  2. Step 2: Convert to fraction form
    43,499.20/65,251.28 = 12,332/x
  3. Step 3: Cross multiply
    43,499.20x = 65,251.28 × 12,332
  4. Step 4: Simplify right side
    43,499.20x = 804,678,784.96
  5. Step 5: Solve for x
    x = 804,678,784.96/43,499.20
  6. Step 6: Final answer
    x = 18,498.70

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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.