Home / 31,519.58-43,496.88-17,180.24

Finding the Fourth Proportional to 31,519.58, 43,496.88 and 17,180.24

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Solution

The fourth proportional to 31,519.58, 43,496.88 and 17,180.24 is: 23,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.58 : 43,496.88 = 17,180.24 : x
  2. Step 2: Convert to fraction form
    31,519.58/43,496.88 = 17,180.24/x
  3. Step 3: Cross multiply
    31,519.58x = 43,496.88 × 17,180.24
  4. Step 4: Simplify right side
    31,519.58x = 747,286,837.65
  5. Step 5: Solve for x
    x = 747,286,837.65/31,519.58
  6. Step 6: Final answer
    x = 23,708.65

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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.