Home / 36,136.80-54,176.40-15,343.20

Finding the Fourth Proportional to 36,136.80, 54,176.40 and 15,343.20

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Solution

The fourth proportional to 36,136.80, 54,176.40 and 15,343.20 is: 23,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.80 : 54,176.40 = 15,343.20 : x
  2. Step 2: Convert to fraction form
    36,136.80/54,176.40 = 15,343.20/x
  3. Step 3: Cross multiply
    36,136.80x = 54,176.40 × 15,343.20
  4. Step 4: Simplify right side
    36,136.80x = 831,239,340.48
  5. Step 5: Solve for x
    x = 831,239,340.48/36,136.80
  6. Step 6: Final answer
    x = 23,002.57

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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.