Home / 31,189.58-43,044.18-17,765.04

Finding the Fourth Proportional to 31,189.58, 43,044.18 and 17,765.04

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Solution

The fourth proportional to 31,189.58, 43,044.18 and 17,765.04 is: 24,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.58 : 43,044.18 = 17,765.04 : x
  2. Step 2: Convert to fraction form
    31,189.58/43,044.18 = 17,765.04/x
  3. Step 3: Cross multiply
    31,189.58x = 43,044.18 × 17,765.04
  4. Step 4: Simplify right side
    31,189.58x = 764,681,579.47
  5. Step 5: Solve for x
    x = 764,681,579.47/31,189.58
  6. Step 6: Final answer
    x = 24,517.21

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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.