Home / 52,451.45-72,389.15-29,481.30

Finding the Fourth Proportional to 52,451.45, 72,389.15 and 29,481.30

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Solution

The fourth proportional to 52,451.45, 72,389.15 and 29,481.30 is: 40,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.45 : 72,389.15 = 29,481.30 : x
  2. Step 2: Convert to fraction form
    52,451.45/72,389.15 = 29,481.30/x
  3. Step 3: Cross multiply
    52,451.45x = 72,389.15 × 29,481.30
  4. Step 4: Simplify right side
    52,451.45x = 2,134,126,343.10
  5. Step 5: Solve for x
    x = 2,134,126,343.10/52,451.45
  6. Step 6: Final answer
    x = 40,687.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.