Home / 31,206.20-43,069.03-17,778.71

Finding the Fourth Proportional to 31,206.20, 43,069.03 and 17,778.71

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Solution

The fourth proportional to 31,206.20, 43,069.03 and 17,778.71 is: 24,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.20 : 43,069.03 = 17,778.71 : x
  2. Step 2: Convert to fraction form
    31,206.20/43,069.03 = 17,778.71/x
  3. Step 3: Cross multiply
    31,206.20x = 43,069.03 × 17,778.71
  4. Step 4: Simplify right side
    31,206.20x = 765,711,857.58
  5. Step 5: Solve for x
    x = 765,711,857.58/31,206.20
  6. Step 6: Final answer
    x = 24,537.17

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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.