Home / 29,180.16-43,769.86-13,380.70

Finding the Fourth Proportional to 29,180.16, 43,769.86 and 13,380.70

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Solution

The fourth proportional to 29,180.16, 43,769.86 and 13,380.70 is: 20,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.16 : 43,769.86 = 13,380.70 : x
  2. Step 2: Convert to fraction form
    29,180.16/43,769.86 = 13,380.70/x
  3. Step 3: Cross multiply
    29,180.16x = 43,769.86 × 13,380.70
  4. Step 4: Simplify right side
    29,180.16x = 585,671,365.70
  5. Step 5: Solve for x
    x = 585,671,365.70/29,180.16
  6. Step 6: Final answer
    x = 20,070.88

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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.