Home / 31,080.60-42,891.30-16,933.14

Finding the Fourth Proportional to 31,080.60, 42,891.30 and 16,933.14

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Solution

The fourth proportional to 31,080.60, 42,891.30 and 16,933.14 is: 23,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.60 : 42,891.30 = 16,933.14 : x
  2. Step 2: Convert to fraction form
    31,080.60/42,891.30 = 16,933.14/x
  3. Step 3: Cross multiply
    31,080.60x = 42,891.30 × 16,933.14
  4. Step 4: Simplify right side
    31,080.60x = 726,284,387.68
  5. Step 5: Solve for x
    x = 726,284,387.68/31,080.60
  6. Step 6: Final answer
    x = 23,367.77

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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.