Home / 31,080.73-42,891.90-16,933.58

Finding the Fourth Proportional to 31,080.73, 42,891.90 and 16,933.58

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Solution

The fourth proportional to 31,080.73, 42,891.90 and 16,933.58 is: 23,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.73 : 42,891.90 = 16,933.58 : x
  2. Step 2: Convert to fraction form
    31,080.73/42,891.90 = 16,933.58/x
  3. Step 3: Cross multiply
    31,080.73x = 42,891.90 × 16,933.58
  4. Step 4: Simplify right side
    31,080.73x = 726,313,420.00
  5. Step 5: Solve for x
    x = 726,313,420.00/31,080.73
  6. Step 6: Final answer
    x = 23,368.61

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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.