Home / 40,169.90-60,242.68-12,082.49

Finding the Fourth Proportional to 40,169.90, 60,242.68 and 12,082.49

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Solution

The fourth proportional to 40,169.90, 60,242.68 and 12,082.49 is: 18,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.90 : 60,242.68 = 12,082.49 : x
  2. Step 2: Convert to fraction form
    40,169.90/60,242.68 = 12,082.49/x
  3. Step 3: Cross multiply
    40,169.90x = 60,242.68 × 12,082.49
  4. Step 4: Simplify right side
    40,169.90x = 727,881,578.67
  5. Step 5: Solve for x
    x = 727,881,578.67/40,169.90
  6. Step 6: Final answer
    x = 18,120.08

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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.