Home / 31,021.29-42,819.12-17,601.44

Finding the Fourth Proportional to 31,021.29, 42,819.12 and 17,601.44

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Solution

The fourth proportional to 31,021.29, 42,819.12 and 17,601.44 is: 24,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.29 : 42,819.12 = 17,601.44 : x
  2. Step 2: Convert to fraction form
    31,021.29/42,819.12 = 17,601.44/x
  3. Step 3: Cross multiply
    31,021.29x = 42,819.12 × 17,601.44
  4. Step 4: Simplify right side
    31,021.29x = 753,677,957.44
  5. Step 5: Solve for x
    x = 753,677,957.44/31,021.29
  6. Step 6: Final answer
    x = 24,295.51

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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.