Home / 42,544.11-63,825.68-12,964.26

Finding the Fourth Proportional to 42,544.11, 63,825.68 and 12,964.26

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Solution

The fourth proportional to 42,544.11, 63,825.68 and 12,964.26 is: 19,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,544.11 : 63,825.68 = 12,964.26 : x
  2. Step 2: Convert to fraction form
    42,544.11/63,825.68 = 12,964.26/x
  3. Step 3: Cross multiply
    42,544.11x = 63,825.68 × 12,964.26
  4. Step 4: Simplify right side
    42,544.11x = 827,452,742.61
  5. Step 5: Solve for x
    x = 827,452,742.61/42,544.11
  6. Step 6: Final answer
    x = 19,449.29

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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.