Home / 43,456.55-65,184.14-13,874.20

Finding the Fourth Proportional to 43,456.55, 65,184.14 and 13,874.20

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Solution

The fourth proportional to 43,456.55, 65,184.14 and 13,874.20 is: 20,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.55 : 65,184.14 = 13,874.20 : x
  2. Step 2: Convert to fraction form
    43,456.55/65,184.14 = 13,874.20/x
  3. Step 3: Cross multiply
    43,456.55x = 65,184.14 × 13,874.20
  4. Step 4: Simplify right side
    43,456.55x = 904,377,666.91
  5. Step 5: Solve for x
    x = 904,377,666.91/43,456.55
  6. Step 6: Final answer
    x = 20,811.08

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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.