Home / 31,254.38-43,131.45-17,106.92

Finding the Fourth Proportional to 31,254.38, 43,131.45 and 17,106.92

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Solution

The fourth proportional to 31,254.38, 43,131.45 and 17,106.92 is: 23,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.38 : 43,131.45 = 17,106.92 : x
  2. Step 2: Convert to fraction form
    31,254.38/43,131.45 = 17,106.92/x
  3. Step 3: Cross multiply
    31,254.38x = 43,131.45 × 17,106.92
  4. Step 4: Simplify right side
    31,254.38x = 737,845,963.44
  5. Step 5: Solve for x
    x = 737,845,963.44/31,254.38
  6. Step 6: Final answer
    x = 23,607.77

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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.