Home / 31,046.57-42,844.29-16,899.44

Finding the Fourth Proportional to 31,046.57, 42,844.29 and 16,899.44

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Solution

The fourth proportional to 31,046.57, 42,844.29 and 16,899.44 is: 23,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.57 : 42,844.29 = 16,899.44 : x
  2. Step 2: Convert to fraction form
    31,046.57/42,844.29 = 16,899.44/x
  3. Step 3: Cross multiply
    31,046.57x = 42,844.29 × 16,899.44
  4. Step 4: Simplify right side
    31,046.57x = 724,044,508.20
  5. Step 5: Solve for x
    x = 724,044,508.20/31,046.57
  6. Step 6: Final answer
    x = 23,321.24

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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.