Home / 43,331.88-65,000.14-12,169.56

Finding the Fourth Proportional to 43,331.88, 65,000.14 and 12,169.56

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Solution

The fourth proportional to 43,331.88, 65,000.14 and 12,169.56 is: 18,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.88 : 65,000.14 = 12,169.56 : x
  2. Step 2: Convert to fraction form
    43,331.88/65,000.14 = 12,169.56/x
  3. Step 3: Cross multiply
    43,331.88x = 65,000.14 × 12,169.56
  4. Step 4: Simplify right side
    43,331.88x = 791,023,103.74
  5. Step 5: Solve for x
    x = 791,023,103.74/43,331.88
  6. Step 6: Final answer
    x = 18,254.99

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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.