Home / 51,691.20-77,344.80-37,867.20

Finding the Fourth Proportional to 51,691.20, 77,344.80 and 37,867.20

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Solution

The fourth proportional to 51,691.20, 77,344.80 and 37,867.20 is: 56,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.20 : 77,344.80 = 37,867.20 : x
  2. Step 2: Convert to fraction form
    51,691.20/77,344.80 = 37,867.20/x
  3. Step 3: Cross multiply
    51,691.20x = 77,344.80 × 37,867.20
  4. Step 4: Simplify right side
    51,691.20x = 2,928,831,010.56
  5. Step 5: Solve for x
    x = 2,928,831,010.56/51,691.20
  6. Step 6: Final answer
    x = 56,660.15

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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.