Home / 31,703.16-43,750.42-17,167.51

Finding the Fourth Proportional to 31,703.16, 43,750.42 and 17,167.51

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Solution

The fourth proportional to 31,703.16, 43,750.42 and 17,167.51 is: 23,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.16 : 43,750.42 = 17,167.51 : x
  2. Step 2: Convert to fraction form
    31,703.16/43,750.42 = 17,167.51/x
  3. Step 3: Cross multiply
    31,703.16x = 43,750.42 × 17,167.51
  4. Step 4: Simplify right side
    31,703.16x = 751,085,772.85
  5. Step 5: Solve for x
    x = 751,085,772.85/31,703.16
  6. Step 6: Final answer
    x = 23,691.20

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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.