Home / 29,306.04-43,959.02-20,579.90

Finding the Fourth Proportional to 29,306.04, 43,959.02 and 20,579.90

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Solution

The fourth proportional to 29,306.04, 43,959.02 and 20,579.90 is: 30,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.04 : 43,959.02 = 20,579.90 : x
  2. Step 2: Convert to fraction form
    29,306.04/43,959.02 = 20,579.90/x
  3. Step 3: Cross multiply
    29,306.04x = 43,959.02 × 20,579.90
  4. Step 4: Simplify right side
    29,306.04x = 904,672,235.70
  5. Step 5: Solve for x
    x = 904,672,235.70/29,306.04
  6. Step 6: Final answer
    x = 30,869.82

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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.