Home / 51,257.70-76,886.55-31,472.10

Finding the Fourth Proportional to 51,257.70, 76,886.55 and 31,472.10

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Solution

The fourth proportional to 51,257.70, 76,886.55 and 31,472.10 is: 47,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,257.70 : 76,886.55 = 31,472.10 : x
  2. Step 2: Convert to fraction form
    51,257.70/76,886.55 = 31,472.10/x
  3. Step 3: Cross multiply
    51,257.70x = 76,886.55 × 31,472.10
  4. Step 4: Simplify right side
    51,257.70x = 2,419,781,190.26
  5. Step 5: Solve for x
    x = 2,419,781,190.26/51,257.70
  6. Step 6: Final answer
    x = 47,208.15

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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.