Home / 29,508.12-40,720.68-16,079.49

Finding the Fourth Proportional to 29,508.12, 40,720.68 and 16,079.49

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Solution

The fourth proportional to 29,508.12, 40,720.68 and 16,079.49 is: 22,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.12 : 40,720.68 = 16,079.49 : x
  2. Step 2: Convert to fraction form
    29,508.12/40,720.68 = 16,079.49/x
  3. Step 3: Cross multiply
    29,508.12x = 40,720.68 × 16,079.49
  4. Step 4: Simplify right side
    29,508.12x = 654,767,766.85
  5. Step 5: Solve for x
    x = 654,767,766.85/29,508.12
  6. Step 6: Final answer
    x = 22,189.41

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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.