Home / 42,144.35-63,229.21-12,562.18

Finding the Fourth Proportional to 42,144.35, 63,229.21 and 12,562.18

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Solution

The fourth proportional to 42,144.35, 63,229.21 and 12,562.18 is: 18,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.35 : 63,229.21 = 12,562.18 : x
  2. Step 2: Convert to fraction form
    42,144.35/63,229.21 = 12,562.18/x
  3. Step 3: Cross multiply
    42,144.35x = 63,229.21 × 12,562.18
  4. Step 4: Simplify right side
    42,144.35x = 794,296,717.28
  5. Step 5: Solve for x
    x = 794,296,717.28/42,144.35
  6. Step 6: Final answer
    x = 18,847.05

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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.