Home / 42,754.82-64,132.23-11,589.26

Finding the Fourth Proportional to 42,754.82, 64,132.23 and 11,589.26

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Solution

The fourth proportional to 42,754.82, 64,132.23 and 11,589.26 is: 17,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,754.82 : 64,132.23 = 11,589.26 : x
  2. Step 2: Convert to fraction form
    42,754.82/64,132.23 = 11,589.26/x
  3. Step 3: Cross multiply
    42,754.82x = 64,132.23 × 11,589.26
  4. Step 4: Simplify right side
    42,754.82x = 743,245,087.85
  5. Step 5: Solve for x
    x = 743,245,087.85/42,754.82
  6. Step 6: Final answer
    x = 17,383.89

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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.