Home / 41,215.68-61,822.84-13,135.36

Finding the Fourth Proportional to 41,215.68, 61,822.84 and 13,135.36

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Solution

The fourth proportional to 41,215.68, 61,822.84 and 13,135.36 is: 19,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,215.68 : 61,822.84 = 13,135.36 : x
  2. Step 2: Convert to fraction form
    41,215.68/61,822.84 = 13,135.36/x
  3. Step 3: Cross multiply
    41,215.68x = 61,822.84 × 13,135.36
  4. Step 4: Simplify right side
    41,215.68x = 812,065,259.62
  5. Step 5: Solve for x
    x = 812,065,259.62/41,215.68
  6. Step 6: Final answer
    x = 19,702.82

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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.