Home / 31,243.20-43,115.04-17,095.76

Finding the Fourth Proportional to 31,243.20, 43,115.04 and 17,095.76

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Solution

The fourth proportional to 31,243.20, 43,115.04 and 17,095.76 is: 23,591.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.20 : 43,115.04 = 17,095.76 : x
  2. Step 2: Convert to fraction form
    31,243.20/43,115.04 = 17,095.76/x
  3. Step 3: Cross multiply
    31,243.20x = 43,115.04 × 17,095.76
  4. Step 4: Simplify right side
    31,243.20x = 737,084,376.23
  5. Step 5: Solve for x
    x = 737,084,376.23/31,243.20
  6. Step 6: Final answer
    x = 23,591.83

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1.5x scale

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.