Home / 41,658.40-62,487.60-12,077.20

Finding the Fourth Proportional to 41,658.40, 62,487.60 and 12,077.20

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Solution

The fourth proportional to 41,658.40, 62,487.60 and 12,077.20 is: 18,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,658.40 : 62,487.60 = 12,077.20 : x
  2. Step 2: Convert to fraction form
    41,658.40/62,487.60 = 12,077.20/x
  3. Step 3: Cross multiply
    41,658.40x = 62,487.60 × 12,077.20
  4. Step 4: Simplify right side
    41,658.40x = 754,675,242.72
  5. Step 5: Solve for x
    x = 754,675,242.72/41,658.40
  6. Step 6: Final answer
    x = 18,115.80

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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.