Home / 45,092.72-67,667.16-21,721.52

Finding the Fourth Proportional to 45,092.72, 67,667.16 and 21,721.52

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Solution

The fourth proportional to 45,092.72, 67,667.16 and 21,721.52 is: 32,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,092.72 : 67,667.16 = 21,721.52 : x
  2. Step 2: Convert to fraction form
    45,092.72/67,667.16 = 21,721.52/x
  3. Step 3: Cross multiply
    45,092.72x = 67,667.16 × 21,721.52
  4. Step 4: Simplify right side
    45,092.72x = 1,469,833,569.28
  5. Step 5: Solve for x
    x = 1,469,833,569.28/45,092.72
  6. Step 6: Final answer
    x = 32,595.81

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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.