Home / 31,296.78-43,193.12-17,869.95

Finding the Fourth Proportional to 31,296.78, 43,193.12 and 17,869.95

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Solution

The fourth proportional to 31,296.78, 43,193.12 and 17,869.95 is: 24,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.78 : 43,193.12 = 17,869.95 : x
  2. Step 2: Convert to fraction form
    31,296.78/43,193.12 = 17,869.95/x
  3. Step 3: Cross multiply
    31,296.78x = 43,193.12 × 17,869.95
  4. Step 4: Simplify right side
    31,296.78x = 771,858,805.39
  5. Step 5: Solve for x
    x = 771,858,805.39/31,296.78
  6. Step 6: Final answer
    x = 24,662.56

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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.