Home / 40,102.97-55,347.92-23,103.90

Finding the Fourth Proportional to 40,102.97, 55,347.92 and 23,103.90

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Solution

The fourth proportional to 40,102.97, 55,347.92 and 23,103.90 is: 31,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.97 : 55,347.92 = 23,103.90 : x
  2. Step 2: Convert to fraction form
    40,102.97/55,347.92 = 23,103.90/x
  3. Step 3: Cross multiply
    40,102.97x = 55,347.92 × 23,103.90
  4. Step 4: Simplify right side
    40,102.97x = 1,278,752,808.89
  5. Step 5: Solve for x
    x = 1,278,752,808.89/40,102.97
  6. Step 6: Final answer
    x = 31,886.74

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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.