Home / 31,298.57-43,192.05-17,151.44

Finding the Fourth Proportional to 31,298.57, 43,192.05 and 17,151.44

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Solution

The fourth proportional to 31,298.57, 43,192.05 and 17,151.44 is: 23,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.57 : 43,192.05 = 17,151.44 : x
  2. Step 2: Convert to fraction form
    31,298.57/43,192.05 = 17,151.44/x
  3. Step 3: Cross multiply
    31,298.57x = 43,192.05 × 17,151.44
  4. Step 4: Simplify right side
    31,298.57x = 740,805,854.05
  5. Step 5: Solve for x
    x = 740,805,854.05/31,298.57
  6. Step 6: Final answer
    x = 23,669.00

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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.