Home / 29,132.19-43,698.31-12,481.43

Finding the Fourth Proportional to 29,132.19, 43,698.31 and 12,481.43

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Solution

The fourth proportional to 29,132.19, 43,698.31 and 12,481.43 is: 18,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,132.19 : 43,698.31 = 12,481.43 : x
  2. Step 2: Convert to fraction form
    29,132.19/43,698.31 = 12,481.43/x
  3. Step 3: Cross multiply
    29,132.19x = 43,698.31 × 12,481.43
  4. Step 4: Simplify right side
    29,132.19x = 545,417,182.79
  5. Step 5: Solve for x
    x = 545,417,182.79/29,132.19
  6. Step 6: Final answer
    x = 18,722.15

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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.