Home / 47,876.43-66,079.49-28,757.04

Finding the Fourth Proportional to 47,876.43, 66,079.49 and 28,757.04

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Solution

The fourth proportional to 47,876.43, 66,079.49 and 28,757.04 is: 39,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.43 : 66,079.49 = 28,757.04 : x
  2. Step 2: Convert to fraction form
    47,876.43/66,079.49 = 28,757.04/x
  3. Step 3: Cross multiply
    47,876.43x = 66,079.49 × 28,757.04
  4. Step 4: Simplify right side
    47,876.43x = 1,900,250,537.11
  5. Step 5: Solve for x
    x = 1,900,250,537.11/47,876.43
  6. Step 6: Final answer
    x = 39,690.73

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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.