Home / 64,889.48-97,351.52-20,517.06

Finding the Fourth Proportional to 64,889.48, 97,351.52 and 20,517.06

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Solution

The fourth proportional to 64,889.48, 97,351.52 and 20,517.06 is: 30,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.48 : 97,351.52 = 20,517.06 : x
  2. Step 2: Convert to fraction form
    64,889.48/97,351.52 = 20,517.06/x
  3. Step 3: Cross multiply
    64,889.48x = 97,351.52 × 20,517.06
  4. Step 4: Simplify right side
    64,889.48x = 1,997,366,874.35
  5. Step 5: Solve for x
    x = 1,997,366,874.35/64,889.48
  6. Step 6: Final answer
    x = 30,781.06

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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.