Home / 56,851.47-85,276.80-27,179.55

Finding the Fourth Proportional to 56,851.47, 85,276.80 and 27,179.55

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Solution

The fourth proportional to 56,851.47, 85,276.80 and 27,179.55 is: 40,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,851.47 : 85,276.80 = 27,179.55 : x
  2. Step 2: Convert to fraction form
    56,851.47/85,276.80 = 27,179.55/x
  3. Step 3: Cross multiply
    56,851.47x = 85,276.80 × 27,179.55
  4. Step 4: Simplify right side
    56,851.47x = 2,317,785,049.44
  5. Step 5: Solve for x
    x = 2,317,785,049.44/56,851.47
  6. Step 6: Final answer
    x = 40,769.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.