Home / 36,191.19-54,294.04-12,499.61

Finding the Fourth Proportional to 36,191.19, 54,294.04 and 12,499.61

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Solution

The fourth proportional to 36,191.19, 54,294.04 and 12,499.61 is: 18,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.19 : 54,294.04 = 12,499.61 : x
  2. Step 2: Convert to fraction form
    36,191.19/54,294.04 = 12,499.61/x
  3. Step 3: Cross multiply
    36,191.19x = 54,294.04 × 12,499.61
  4. Step 4: Simplify right side
    36,191.19x = 678,654,160.78
  5. Step 5: Solve for x
    x = 678,654,160.78/36,191.19
  6. Step 6: Final answer
    x = 18,751.92

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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.