Home / 41,405.40-62,116.20-17,712.90

Finding the Fourth Proportional to 41,405.40, 62,116.20 and 17,712.90

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Solution

The fourth proportional to 41,405.40, 62,116.20 and 17,712.90 is: 26,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.40 : 62,116.20 = 17,712.90 : x
  2. Step 2: Convert to fraction form
    41,405.40/62,116.20 = 17,712.90/x
  3. Step 3: Cross multiply
    41,405.40x = 62,116.20 × 17,712.90
  4. Step 4: Simplify right side
    41,405.40x = 1,100,258,038.98
  5. Step 5: Solve for x
    x = 1,100,258,038.98/41,405.40
  6. Step 6: Final answer
    x = 26,572.82

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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.