Home / 41,393.70-62,116.20-21,686.40

Finding the Fourth Proportional to 41,393.70, 62,116.20 and 21,686.40

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Solution

The fourth proportional to 41,393.70, 62,116.20 and 21,686.40 is: 32,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,393.70 : 62,116.20 = 21,686.40 : x
  2. Step 2: Convert to fraction form
    41,393.70/62,116.20 = 21,686.40/x
  3. Step 3: Cross multiply
    41,393.70x = 62,116.20 × 21,686.40
  4. Step 4: Simplify right side
    41,393.70x = 1,347,076,759.68
  5. Step 5: Solve for x
    x = 1,347,076,759.68/41,393.70
  6. Step 6: Final answer
    x = 32,543.04

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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.