Home / 74,339.88-111,531.69-29,943.78

Finding the Fourth Proportional to 74,339.88, 111,531.69 and 29,943.78

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Solution

The fourth proportional to 74,339.88, 111,531.69 and 29,943.78 is: 44,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,339.88 : 111,531.69 = 29,943.78 : x
  2. Step 2: Convert to fraction form
    74,339.88/111,531.69 = 29,943.78/x
  3. Step 3: Cross multiply
    74,339.88x = 111,531.69 × 29,943.78
  4. Step 4: Simplify right side
    74,339.88x = 3,339,680,388.39
  5. Step 5: Solve for x
    x = 3,339,680,388.39/74,339.88
  6. Step 6: Final answer
    x = 44,924.48

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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.