Home / 43,702.20-65,510.10-17,371.80

Finding the Fourth Proportional to 43,702.20, 65,510.10 and 17,371.80

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Solution

The fourth proportional to 43,702.20, 65,510.10 and 17,371.80 is: 26,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.20 : 65,510.10 = 17,371.80 : x
  2. Step 2: Convert to fraction form
    43,702.20/65,510.10 = 17,371.80/x
  3. Step 3: Cross multiply
    43,702.20x = 65,510.10 × 17,371.80
  4. Step 4: Simplify right side
    43,702.20x = 1,138,028,355.18
  5. Step 5: Solve for x
    x = 1,138,028,355.18/43,702.20
  6. Step 6: Final answer
    x = 26,040.53

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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.