Home / 36,339.76-54,531.11-19,699.39

Finding the Fourth Proportional to 36,339.76, 54,531.11 and 19,699.39

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Solution

The fourth proportional to 36,339.76, 54,531.11 and 19,699.39 is: 29,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339.76 : 54,531.11 = 19,699.39 : x
  2. Step 2: Convert to fraction form
    36,339.76/54,531.11 = 19,699.39/x
  3. Step 3: Cross multiply
    36,339.76x = 54,531.11 × 19,699.39
  4. Step 4: Simplify right side
    36,339.76x = 1,074,229,603.02
  5. Step 5: Solve for x
    x = 1,074,229,603.02/36,339.76
  6. Step 6: Final answer
    x = 29,560.72

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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.