Home / 51,839.04-71,520-29,173.44

Finding the Fourth Proportional to 51,839.04, 71,520 and 29,173.44

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Solution

The fourth proportional to 51,839.04, 71,520 and 29,173.44 is: 40,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.04 : 71,520 = 29,173.44 : x
  2. Step 2: Convert to fraction form
    51,839.04/71,520 = 29,173.44/x
  3. Step 3: Cross multiply
    51,839.04x = 71,520 × 29,173.44
  4. Step 4: Simplify right side
    51,839.04x = 2,086,484,428.80
  5. Step 5: Solve for x
    x = 2,086,484,428.80/51,839.04
  6. Step 6: Final answer
    x = 40,249.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.