Home / 51,248.20-76,872.30-31,462.60

Finding the Fourth Proportional to 51,248.20, 76,872.30 and 31,462.60

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Solution

The fourth proportional to 51,248.20, 76,872.30 and 31,462.60 is: 47,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.20 : 76,872.30 = 31,462.60 : x
  2. Step 2: Convert to fraction form
    51,248.20/76,872.30 = 31,462.60/x
  3. Step 3: Cross multiply
    51,248.20x = 76,872.30 × 31,462.60
  4. Step 4: Simplify right side
    51,248.20x = 2,418,602,425.98
  5. Step 5: Solve for x
    x = 2,418,602,425.98/51,248.20
  6. Step 6: Final answer
    x = 47,193.90

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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.