Home / 29,432.62-40,616.71-21,912.58

Finding the Fourth Proportional to 29,432.62, 40,616.71 and 21,912.58

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Solution

The fourth proportional to 29,432.62, 40,616.71 and 21,912.58 is: 30,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432.62 : 40,616.71 = 21,912.58 : x
  2. Step 2: Convert to fraction form
    29,432.62/40,616.71 = 21,912.58/x
  3. Step 3: Cross multiply
    29,432.62x = 40,616.71 × 21,912.58
  4. Step 4: Simplify right side
    29,432.62x = 890,016,907.21
  5. Step 5: Solve for x
    x = 890,016,907.21/29,432.62
  6. Step 6: Final answer
    x = 30,239.13

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1.5x scale

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.