Home / 31,488.29-43,452.24-17,338.40

Finding the Fourth Proportional to 31,488.29, 43,452.24 and 17,338.40

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Solution

The fourth proportional to 31,488.29, 43,452.24 and 17,338.40 is: 23,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.29 : 43,452.24 = 17,338.40 : x
  2. Step 2: Convert to fraction form
    31,488.29/43,452.24 = 17,338.40/x
  3. Step 3: Cross multiply
    31,488.29x = 43,452.24 × 17,338.40
  4. Step 4: Simplify right side
    31,488.29x = 753,392,383.30
  5. Step 5: Solve for x
    x = 753,392,383.30/31,488.29
  6. Step 6: Final answer
    x = 23,926.11

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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.