Home / 49,139.46-73,720.13-14,079.42

Finding the Fourth Proportional to 49,139.46, 73,720.13 and 14,079.42

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Solution

The fourth proportional to 49,139.46, 73,720.13 and 14,079.42 is: 21,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.46 : 73,720.13 = 14,079.42 : x
  2. Step 2: Convert to fraction form
    49,139.46/73,720.13 = 14,079.42/x
  3. Step 3: Cross multiply
    49,139.46x = 73,720.13 × 14,079.42
  4. Step 4: Simplify right side
    49,139.46x = 1,037,936,602.33
  5. Step 5: Solve for x
    x = 1,037,936,602.33/49,139.46
  6. Step 6: Final answer
    x = 21,122.26

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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.