Home / 43,432.28-65,149.11-17,136.80

Finding the Fourth Proportional to 43,432.28, 65,149.11 and 17,136.80

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Solution

The fourth proportional to 43,432.28, 65,149.11 and 17,136.80 is: 25,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,432.28 : 65,149.11 = 17,136.80 : x
  2. Step 2: Convert to fraction form
    43,432.28/65,149.11 = 17,136.80/x
  3. Step 3: Cross multiply
    43,432.28x = 65,149.11 × 17,136.80
  4. Step 4: Simplify right side
    43,432.28x = 1,116,447,268.25
  5. Step 5: Solve for x
    x = 1,116,447,268.25/43,432.28
  6. Step 6: Final answer
    x = 25,705.47

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1.5x scale

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.