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Finding the Fourth Proportional to 60,449.73, 83,415.31 and 33,590.53

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Solution

The fourth proportional to 60,449.73, 83,415.31 and 33,590.53 is: 46,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,449.73 : 83,415.31 = 33,590.53 : x
  2. Step 2: Convert to fraction form
    60,449.73/83,415.31 = 33,590.53/x
  3. Step 3: Cross multiply
    60,449.73x = 83,415.31 × 33,590.53
  4. Step 4: Simplify right side
    60,449.73x = 2,801,964,473.01
  5. Step 5: Solve for x
    x = 2,801,964,473.01/60,449.73
  6. Step 6: Final answer
    x = 46,351.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.