Home / 31,306.50-43,202.97-17,159.45

Finding the Fourth Proportional to 31,306.50, 43,202.97 and 17,159.45

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Solution

The fourth proportional to 31,306.50, 43,202.97 and 17,159.45 is: 23,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.50 : 43,202.97 = 17,159.45 : x
  2. Step 2: Convert to fraction form
    31,306.50/43,202.97 = 17,159.45/x
  3. Step 3: Cross multiply
    31,306.50x = 43,202.97 × 17,159.45
  4. Step 4: Simplify right side
    31,306.50x = 741,338,987.55
  5. Step 5: Solve for x
    x = 741,338,987.55/31,306.50
  6. Step 6: Final answer
    x = 23,680.03

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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.