Home / 31,371.80-43,293.11-17,031.62

Finding the Fourth Proportional to 31,371.80, 43,293.11 and 17,031.62

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Solution

The fourth proportional to 31,371.80, 43,293.11 and 17,031.62 is: 23,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.80 : 43,293.11 = 17,031.62 : x
  2. Step 2: Convert to fraction form
    31,371.80/43,293.11 = 17,031.62/x
  3. Step 3: Cross multiply
    31,371.80x = 43,293.11 × 17,031.62
  4. Step 4: Simplify right side
    31,371.80x = 737,351,496.51
  5. Step 5: Solve for x
    x = 737,351,496.51/31,371.80
  6. Step 6: Final answer
    x = 23,503.64

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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.