Home / 29,176.20-43,764.30-28,690.20

Finding the Fourth Proportional to 29,176.20, 43,764.30 and 28,690.20

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Solution

The fourth proportional to 29,176.20, 43,764.30 and 28,690.20 is: 43,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.20 : 43,764.30 = 28,690.20 : x
  2. Step 2: Convert to fraction form
    29,176.20/43,764.30 = 28,690.20/x
  3. Step 3: Cross multiply
    29,176.20x = 43,764.30 × 28,690.20
  4. Step 4: Simplify right side
    29,176.20x = 1,255,606,519.86
  5. Step 5: Solve for x
    x = 1,255,606,519.86/29,176.20
  6. Step 6: Final answer
    x = 43,035.30

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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.