Home / 65,376.19-98,042.82-20,992.42

Finding the Fourth Proportional to 65,376.19, 98,042.82 and 20,992.42

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Solution

The fourth proportional to 65,376.19, 98,042.82 and 20,992.42 is: 31,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376.19 : 98,042.82 = 20,992.42 : x
  2. Step 2: Convert to fraction form
    65,376.19/98,042.82 = 20,992.42/x
  3. Step 3: Cross multiply
    65,376.19x = 98,042.82 × 20,992.42
  4. Step 4: Simplify right side
    65,376.19x = 2,058,156,055.42
  5. Step 5: Solve for x
    x = 2,058,156,055.42/65,376.19
  6. Step 6: Final answer
    x = 31,481.74

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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.