Home / 41,218.83-61,833.11-13,129.11

Finding the Fourth Proportional to 41,218.83, 61,833.11 and 13,129.11

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Solution

The fourth proportional to 41,218.83, 61,833.11 and 13,129.11 is: 19,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,218.83 : 61,833.11 = 13,129.11 : x
  2. Step 2: Convert to fraction form
    41,218.83/61,833.11 = 13,129.11/x
  3. Step 3: Cross multiply
    41,218.83x = 61,833.11 × 13,129.11
  4. Step 4: Simplify right side
    41,218.83x = 811,813,637.19
  5. Step 5: Solve for x
    x = 811,813,637.19/41,218.83
  6. Step 6: Final answer
    x = 19,695.21

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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.