Home / 49,081.59-67,732.89-27,861.21

Finding the Fourth Proportional to 49,081.59, 67,732.89 and 27,861.21

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Solution

The fourth proportional to 49,081.59, 67,732.89 and 27,861.21 is: 38,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,081.59 : 67,732.89 = 27,861.21 : x
  2. Step 2: Convert to fraction form
    49,081.59/67,732.89 = 27,861.21/x
  3. Step 3: Cross multiply
    49,081.59x = 67,732.89 × 27,861.21
  4. Step 4: Simplify right side
    49,081.59x = 1,887,120,272.20
  5. Step 5: Solve for x
    x = 1,887,120,272.20/49,081.59
  6. Step 6: Final answer
    x = 38,448.64

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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.