Home / 78,511.59-117,764.61-22,352

Finding the Fourth Proportional to 78,511.59, 117,764.61 and 22,352

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Solution

The fourth proportional to 78,511.59, 117,764.61 and 22,352 is: 33,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,511.59 : 117,764.61 = 22,352 : x
  2. Step 2: Convert to fraction form
    78,511.59/117,764.61 = 22,352/x
  3. Step 3: Cross multiply
    78,511.59x = 117,764.61 × 22,352
  4. Step 4: Simplify right side
    78,511.59x = 2,632,274,562.72
  5. Step 5: Solve for x
    x = 2,632,274,562.72/78,511.59
  6. Step 6: Final answer
    x = 33,527.21

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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.