Home / 40,119.62-60,136.76-15,149.04

Finding the Fourth Proportional to 40,119.62, 60,136.76 and 15,149.04

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Solution

The fourth proportional to 40,119.62, 60,136.76 and 15,149.04 is: 22,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.62 : 60,136.76 = 15,149.04 : x
  2. Step 2: Convert to fraction form
    40,119.62/60,136.76 = 15,149.04/x
  3. Step 3: Cross multiply
    40,119.62x = 60,136.76 × 15,149.04
  4. Step 4: Simplify right side
    40,119.62x = 911,014,106.97
  5. Step 5: Solve for x
    x = 911,014,106.97/40,119.62
  6. Step 6: Final answer
    x = 22,707.45

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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.