Home / 55,376.28-83,079.78-31,959.96

Finding the Fourth Proportional to 55,376.28, 83,079.78 and 31,959.96

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Solution

The fourth proportional to 55,376.28, 83,079.78 and 31,959.96 is: 47,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.28 : 83,079.78 = 31,959.96 : x
  2. Step 2: Convert to fraction form
    55,376.28/83,079.78 = 31,959.96/x
  3. Step 3: Cross multiply
    55,376.28x = 83,079.78 × 31,959.96
  4. Step 4: Simplify right side
    55,376.28x = 2,655,226,445.61
  5. Step 5: Solve for x
    x = 2,655,226,445.61/55,376.28
  6. Step 6: Final answer
    x = 47,948.80

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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.