Home / 43,422.08-65,136.15-18,459.29

Finding the Fourth Proportional to 43,422.08, 65,136.15 and 18,459.29

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Solution

The fourth proportional to 43,422.08, 65,136.15 and 18,459.29 is: 27,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.08 : 65,136.15 = 18,459.29 : x
  2. Step 2: Convert to fraction form
    43,422.08/65,136.15 = 18,459.29/x
  3. Step 3: Cross multiply
    43,422.08x = 65,136.15 × 18,459.29
  4. Step 4: Simplify right side
    43,422.08x = 1,202,367,245.17
  5. Step 5: Solve for x
    x = 1,202,367,245.17/43,422.08
  6. Step 6: Final answer
    x = 27,690.23

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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.