Home / 40,167.90-60,251.55-12,087.83

Finding the Fourth Proportional to 40,167.90, 60,251.55 and 12,087.83

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Solution

The fourth proportional to 40,167.90, 60,251.55 and 12,087.83 is: 18,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.90 : 60,251.55 = 12,087.83 : x
  2. Step 2: Convert to fraction form
    40,167.90/60,251.55 = 12,087.83/x
  3. Step 3: Cross multiply
    40,167.90x = 60,251.55 × 12,087.83
  4. Step 4: Simplify right side
    40,167.90x = 728,310,598.94
  5. Step 5: Solve for x
    x = 728,310,598.94/40,167.90
  6. Step 6: Final answer
    x = 18,131.66

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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.