Home / 51,466.56-77,049.60-31,685.76

Finding the Fourth Proportional to 51,466.56, 77,049.60 and 31,685.76

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Solution

The fourth proportional to 51,466.56, 77,049.60 and 31,685.76 is: 47,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,466.56 : 77,049.60 = 31,685.76 : x
  2. Step 2: Convert to fraction form
    51,466.56/77,049.60 = 31,685.76/x
  3. Step 3: Cross multiply
    51,466.56x = 77,049.60 × 31,685.76
  4. Step 4: Simplify right side
    51,466.56x = 2,441,375,133.70
  5. Step 5: Solve for x
    x = 2,441,375,133.70/51,466.56
  6. Step 6: Final answer
    x = 47,436.14

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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.