Home / 29,120.43-43,680.65-11,590.41

Finding the Fourth Proportional to 29,120.43, 43,680.65 and 11,590.41

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Solution

The fourth proportional to 29,120.43, 43,680.65 and 11,590.41 is: 17,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.43 : 43,680.65 = 11,590.41 : x
  2. Step 2: Convert to fraction form
    29,120.43/43,680.65 = 11,590.41/x
  3. Step 3: Cross multiply
    29,120.43x = 43,680.65 × 11,590.41
  4. Step 4: Simplify right side
    29,120.43x = 506,276,584.61
  5. Step 5: Solve for x
    x = 506,276,584.61/29,120.43
  6. Step 6: Final answer
    x = 17,385.62

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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.