Home / 40,921.12-61,381.76-11,339.04

Finding the Fourth Proportional to 40,921.12, 61,381.76 and 11,339.04

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Solution

The fourth proportional to 40,921.12, 61,381.76 and 11,339.04 is: 17,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.12 : 61,381.76 = 11,339.04 : x
  2. Step 2: Convert to fraction form
    40,921.12/61,381.76 = 11,339.04/x
  3. Step 3: Cross multiply
    40,921.12x = 61,381.76 × 11,339.04
  4. Step 4: Simplify right side
    40,921.12x = 696,010,175.22
  5. Step 5: Solve for x
    x = 696,010,175.22/40,921.12
  6. Step 6: Final answer
    x = 17,008.58

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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.