Home / 40,375.45-55,717.57-22,470.46

Finding the Fourth Proportional to 40,375.45, 55,717.57 and 22,470.46

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Solution

The fourth proportional to 40,375.45, 55,717.57 and 22,470.46 is: 31,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.45 : 55,717.57 = 22,470.46 : x
  2. Step 2: Convert to fraction form
    40,375.45/55,717.57 = 22,470.46/x
  3. Step 3: Cross multiply
    40,375.45x = 55,717.57 × 22,470.46
  4. Step 4: Simplify right side
    40,375.45x = 1,251,999,427.98
  5. Step 5: Solve for x
    x = 1,251,999,427.98/40,375.45
  6. Step 6: Final answer
    x = 31,008.93

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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.