Home / 31,179.05-43,026.39-17,031.95

Finding the Fourth Proportional to 31,179.05, 43,026.39 and 17,031.95

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Solution

The fourth proportional to 31,179.05, 43,026.39 and 17,031.95 is: 23,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.05 : 43,026.39 = 17,031.95 : x
  2. Step 2: Convert to fraction form
    31,179.05/43,026.39 = 17,031.95/x
  3. Step 3: Cross multiply
    31,179.05x = 43,026.39 × 17,031.95
  4. Step 4: Simplify right side
    31,179.05x = 732,823,323.16
  5. Step 5: Solve for x
    x = 732,823,323.16/31,179.05
  6. Step 6: Final answer
    x = 23,503.71

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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.