Home / 40,189.62-60,294.42-12,109.04

Finding the Fourth Proportional to 40,189.62, 60,294.42 and 12,109.04

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Solution

The fourth proportional to 40,189.62, 60,294.42 and 12,109.04 is: 18,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.62 : 60,294.42 = 12,109.04 : x
  2. Step 2: Convert to fraction form
    40,189.62/60,294.42 = 12,109.04/x
  3. Step 3: Cross multiply
    40,189.62x = 60,294.42 × 12,109.04
  4. Step 4: Simplify right side
    40,189.62x = 730,107,242.08
  5. Step 5: Solve for x
    x = 730,107,242.08/40,189.62
  6. Step 6: Final answer
    x = 18,166.56

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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.