Home / 45,718.40-68,577.62-30,022.58

Finding the Fourth Proportional to 45,718.40, 68,577.62 and 30,022.58

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Solution

The fourth proportional to 45,718.40, 68,577.62 and 30,022.58 is: 45,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,718.40 : 68,577.62 = 30,022.58 : x
  2. Step 2: Convert to fraction form
    45,718.40/68,577.62 = 30,022.58/x
  3. Step 3: Cross multiply
    45,718.40x = 68,577.62 × 30,022.58
  4. Step 4: Simplify right side
    45,718.40x = 2,058,876,589.66
  5. Step 5: Solve for x
    x = 2,058,876,589.66/45,718.40
  6. Step 6: Final answer
    x = 45,033.88

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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.