Home / 31,405.76-43,356.80-24,219.96

Finding the Fourth Proportional to 31,405.76, 43,356.80 and 24,219.96

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Solution

The fourth proportional to 31,405.76, 43,356.80 and 24,219.96 is: 33,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.76 : 43,356.80 = 24,219.96 : x
  2. Step 2: Convert to fraction form
    31,405.76/43,356.80 = 24,219.96/x
  3. Step 3: Cross multiply
    31,405.76x = 43,356.80 × 24,219.96
  4. Step 4: Simplify right side
    31,405.76x = 1,050,099,961.73
  5. Step 5: Solve for x
    x = 1,050,099,961.73/31,405.76
  6. Step 6: Final answer
    x = 33,436.54

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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.