Home / 31,375.26-43,302.39-18,801.18

Finding the Fourth Proportional to 31,375.26, 43,302.39 and 18,801.18

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Solution

The fourth proportional to 31,375.26, 43,302.39 and 18,801.18 is: 25,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.26 : 43,302.39 = 18,801.18 : x
  2. Step 2: Convert to fraction form
    31,375.26/43,302.39 = 18,801.18/x
  3. Step 3: Cross multiply
    31,375.26x = 43,302.39 × 18,801.18
  4. Step 4: Simplify right side
    31,375.26x = 814,136,028.82
  5. Step 5: Solve for x
    x = 814,136,028.82/31,375.26
  6. Step 6: Final answer
    x = 25,948.34

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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.