Home / 43,134.88-64,680.72-13,552.33

Finding the Fourth Proportional to 43,134.88, 64,680.72 and 13,552.33

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Solution

The fourth proportional to 43,134.88, 64,680.72 and 13,552.33 is: 20,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134.88 : 64,680.72 = 13,552.33 : x
  2. Step 2: Convert to fraction form
    43,134.88/64,680.72 = 13,552.33/x
  3. Step 3: Cross multiply
    43,134.88x = 64,680.72 × 13,552.33
  4. Step 4: Simplify right side
    43,134.88x = 876,574,462.08
  5. Step 5: Solve for x
    x = 876,574,462.08/43,134.88
  6. Step 6: Final answer
    x = 20,321.71

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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.