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Finding the Fourth Proportional to 60,770.52, 91,155.24 and 19,217.52

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Solution

The fourth proportional to 60,770.52, 91,155.24 and 19,217.52 is: 28,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.52 : 91,155.24 = 19,217.52 : x
  2. Step 2: Convert to fraction form
    60,770.52/91,155.24 = 19,217.52/x
  3. Step 3: Cross multiply
    60,770.52x = 91,155.24 × 19,217.52
  4. Step 4: Simplify right side
    60,770.52x = 1,751,777,647.80
  5. Step 5: Solve for x
    x = 1,751,777,647.80/60,770.52
  6. Step 6: Final answer
    x = 28,826.11

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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.