Home / 45,496.82-68,319.31-28,077.38

Finding the Fourth Proportional to 45,496.82, 68,319.31 and 28,077.38

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Solution

The fourth proportional to 45,496.82, 68,319.31 and 28,077.38 is: 42,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.82 : 68,319.31 = 28,077.38 : x
  2. Step 2: Convert to fraction form
    45,496.82/68,319.31 = 28,077.38/x
  3. Step 3: Cross multiply
    45,496.82x = 68,319.31 × 28,077.38
  4. Step 4: Simplify right side
    45,496.82x = 1,918,227,228.21
  5. Step 5: Solve for x
    x = 1,918,227,228.21/45,496.82
  6. Step 6: Final answer
    x = 42,161.79

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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.