Home / 41,864.13-57,740.68-28,964.87

Finding the Fourth Proportional to 41,864.13, 57,740.68 and 28,964.87

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Solution

The fourth proportional to 41,864.13, 57,740.68 and 28,964.87 is: 39,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,864.13 : 57,740.68 = 28,964.87 : x
  2. Step 2: Convert to fraction form
    41,864.13/57,740.68 = 28,964.87/x
  3. Step 3: Cross multiply
    41,864.13x = 57,740.68 × 28,964.87
  4. Step 4: Simplify right side
    41,864.13x = 1,672,451,361.85
  5. Step 5: Solve for x
    x = 1,672,451,361.85/41,864.13
  6. Step 6: Final answer
    x = 39,949.50

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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.