Home / 29,975.92-41,335.92-19,900.72

Finding the Fourth Proportional to 29,975.92, 41,335.92 and 19,900.72

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Solution

The fourth proportional to 29,975.92, 41,335.92 and 19,900.72 is: 27,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.92 : 41,335.92 = 19,900.72 : x
  2. Step 2: Convert to fraction form
    29,975.92/41,335.92 = 19,900.72/x
  3. Step 3: Cross multiply
    29,975.92x = 41,335.92 × 19,900.72
  4. Step 4: Simplify right side
    29,975.92x = 822,614,569.86
  5. Step 5: Solve for x
    x = 822,614,569.86/29,975.92
  6. Step 6: Final answer
    x = 27,442.51

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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.