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Finding the Fourth Proportional to 61,569.12, 92,340.48 and 19,452.48

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Solution

The fourth proportional to 61,569.12, 92,340.48 and 19,452.48 is: 29,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,569.12 : 92,340.48 = 19,452.48 : x
  2. Step 2: Convert to fraction form
    61,569.12/92,340.48 = 19,452.48/x
  3. Step 3: Cross multiply
    61,569.12x = 92,340.48 × 19,452.48
  4. Step 4: Simplify right side
    61,569.12x = 1,796,251,340.39
  5. Step 5: Solve for x
    x = 1,796,251,340.39/61,569.12
  6. Step 6: Final answer
    x = 29,174.55

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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.