Home / 29,989.62-41,344.29-21,498.66

Finding the Fourth Proportional to 29,989.62, 41,344.29 and 21,498.66

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Solution

The fourth proportional to 29,989.62, 41,344.29 and 21,498.66 is: 29,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.62 : 41,344.29 = 21,498.66 : x
  2. Step 2: Convert to fraction form
    29,989.62/41,344.29 = 21,498.66/x
  3. Step 3: Cross multiply
    29,989.62x = 41,344.29 × 21,498.66
  4. Step 4: Simplify right side
    29,989.62x = 888,846,833.65
  5. Step 5: Solve for x
    x = 888,846,833.65/29,989.62
  6. Step 6: Final answer
    x = 29,638.48

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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.