Home / 40,103.95-55,343.94-22,200.61

Finding the Fourth Proportional to 40,103.95, 55,343.94 and 22,200.61

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Solution

The fourth proportional to 40,103.95, 55,343.94 and 22,200.61 is: 30,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.95 : 55,343.94 = 22,200.61 : x
  2. Step 2: Convert to fraction form
    40,103.95/55,343.94 = 22,200.61/x
  3. Step 3: Cross multiply
    40,103.95x = 55,343.94 × 22,200.61
  4. Step 4: Simplify right side
    40,103.95x = 1,228,669,227.80
  5. Step 5: Solve for x
    x = 1,228,669,227.80/40,103.95
  6. Step 6: Final answer
    x = 30,637.11

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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.