Home / 31,518.20-43,495.38-17,371.08

Finding the Fourth Proportional to 31,518.20, 43,495.38 and 17,371.08

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Solution

The fourth proportional to 31,518.20, 43,495.38 and 17,371.08 is: 23,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.20 : 43,495.38 = 17,371.08 : x
  2. Step 2: Convert to fraction form
    31,518.20/43,495.38 = 17,371.08/x
  3. Step 3: Cross multiply
    31,518.20x = 43,495.38 × 17,371.08
  4. Step 4: Simplify right side
    31,518.20x = 755,561,725.61
  5. Step 5: Solve for x
    x = 755,561,725.61/31,518.20
  6. Step 6: Final answer
    x = 23,972.24

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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.