Home / 51,560.72-71,158.38-30,049.28

Finding the Fourth Proportional to 51,560.72, 71,158.38 and 30,049.28

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Solution

The fourth proportional to 51,560.72, 71,158.38 and 30,049.28 is: 41,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560.72 : 71,158.38 = 30,049.28 : x
  2. Step 2: Convert to fraction form
    51,560.72/71,158.38 = 30,049.28/x
  3. Step 3: Cross multiply
    51,560.72x = 71,158.38 × 30,049.28
  4. Step 4: Simplify right side
    51,560.72x = 2,138,258,084.97
  5. Step 5: Solve for x
    x = 2,138,258,084.97/51,560.72
  6. Step 6: Final answer
    x = 41,470.68

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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.