Home / 49,136.20-73,704.30-14,079.40

Finding the Fourth Proportional to 49,136.20, 73,704.30 and 14,079.40

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Solution

The fourth proportional to 49,136.20, 73,704.30 and 14,079.40 is: 21,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.20 : 73,704.30 = 14,079.40 : x
  2. Step 2: Convert to fraction form
    49,136.20/73,704.30 = 14,079.40/x
  3. Step 3: Cross multiply
    49,136.20x = 73,704.30 × 14,079.40
  4. Step 4: Simplify right side
    49,136.20x = 1,037,712,321.42
  5. Step 5: Solve for x
    x = 1,037,712,321.42/49,136.20
  6. Step 6: Final answer
    x = 21,119.10

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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.