Home / 31,178.52-43,026.19-17,031.26

Finding the Fourth Proportional to 31,178.52, 43,026.19 and 17,031.26

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Solution

The fourth proportional to 31,178.52, 43,026.19 and 17,031.26 is: 23,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.52 : 43,026.19 = 17,031.26 : x
  2. Step 2: Convert to fraction form
    31,178.52/43,026.19 = 17,031.26/x
  3. Step 3: Cross multiply
    31,178.52x = 43,026.19 × 17,031.26
  4. Step 4: Simplify right side
    31,178.52x = 732,790,293.69
  5. Step 5: Solve for x
    x = 732,790,293.69/31,178.52
  6. Step 6: Final answer
    x = 23,503.05

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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.