Home / 41,982.71-62,985.60-12,400.53

Finding the Fourth Proportional to 41,982.71, 62,985.60 and 12,400.53

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Solution

The fourth proportional to 41,982.71, 62,985.60 and 12,400.53 is: 18,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.71 : 62,985.60 = 12,400.53 : x
  2. Step 2: Convert to fraction form
    41,982.71/62,985.60 = 12,400.53/x
  3. Step 3: Cross multiply
    41,982.71x = 62,985.60 × 12,400.53
  4. Step 4: Simplify right side
    41,982.71x = 781,054,586.17
  5. Step 5: Solve for x
    x = 781,054,586.17/41,982.71
  6. Step 6: Final answer
    x = 18,604.20

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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.