Home / 43,144.01-64,689.21-18,171.20

Finding the Fourth Proportional to 43,144.01, 64,689.21 and 18,171.20

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Solution

The fourth proportional to 43,144.01, 64,689.21 and 18,171.20 is: 27,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.01 : 64,689.21 = 18,171.20 : x
  2. Step 2: Convert to fraction form
    43,144.01/64,689.21 = 18,171.20/x
  3. Step 3: Cross multiply
    43,144.01x = 64,689.21 × 18,171.20
  4. Step 4: Simplify right side
    43,144.01x = 1,175,480,572.75
  5. Step 5: Solve for x
    x = 1,175,480,572.75/43,144.01
  6. Step 6: Final answer
    x = 27,245.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.