Home / 48,780.81-67,318.38-27,560.43

Finding the Fourth Proportional to 48,780.81, 67,318.38 and 27,560.43

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Solution

The fourth proportional to 48,780.81, 67,318.38 and 27,560.43 is: 38,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.81 : 67,318.38 = 27,560.43 : x
  2. Step 2: Convert to fraction form
    48,780.81/67,318.38 = 27,560.43/x
  3. Step 3: Cross multiply
    48,780.81x = 67,318.38 × 27,560.43
  4. Step 4: Simplify right side
    48,780.81x = 1,855,323,499.70
  5. Step 5: Solve for x
    x = 1,855,323,499.70/48,780.81
  6. Step 6: Final answer
    x = 38,033.88

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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.