Home / 41,109.72-61,664.88-13,029.24

Finding the Fourth Proportional to 41,109.72, 61,664.88 and 13,029.24

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Solution

The fourth proportional to 41,109.72, 61,664.88 and 13,029.24 is: 19,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.72 : 61,664.88 = 13,029.24 : x
  2. Step 2: Convert to fraction form
    41,109.72/61,664.88 = 13,029.24/x
  3. Step 3: Cross multiply
    41,109.72x = 61,664.88 × 13,029.24
  4. Step 4: Simplify right side
    41,109.72x = 803,446,521.09
  5. Step 5: Solve for x
    x = 803,446,521.09/41,109.72
  6. Step 6: Final answer
    x = 19,543.96

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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.