Home / 40,431.20-55,799.16-22,529.12

Finding the Fourth Proportional to 40,431.20, 55,799.16 and 22,529.12

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Solution

The fourth proportional to 40,431.20, 55,799.16 and 22,529.12 is: 31,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.20 : 55,799.16 = 22,529.12 : x
  2. Step 2: Convert to fraction form
    40,431.20/55,799.16 = 22,529.12/x
  3. Step 3: Cross multiply
    40,431.20x = 55,799.16 × 22,529.12
  4. Step 4: Simplify right side
    40,431.20x = 1,257,105,971.54
  5. Step 5: Solve for x
    x = 1,257,105,971.54/40,431.20
  6. Step 6: Final answer
    x = 31,092.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.