Home / 31,261.77-43,141.23-17,114.61

Finding the Fourth Proportional to 31,261.77, 43,141.23 and 17,114.61

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Solution

The fourth proportional to 31,261.77, 43,141.23 and 17,114.61 is: 23,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.77 : 43,141.23 = 17,114.61 : x
  2. Step 2: Convert to fraction form
    31,261.77/43,141.23 = 17,114.61/x
  3. Step 3: Cross multiply
    31,261.77x = 43,141.23 × 17,114.61
  4. Step 4: Simplify right side
    31,261.77x = 738,345,110.66
  5. Step 5: Solve for x
    x = 738,345,110.66/31,261.77
  6. Step 6: Final answer
    x = 23,618.15

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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.