Home / 60,739.73-91,110.20-21,297.79

Finding the Fourth Proportional to 60,739.73, 91,110.20 and 21,297.79

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Solution

The fourth proportional to 60,739.73, 91,110.20 and 21,297.79 is: 31,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739.73 : 91,110.20 = 21,297.79 : x
  2. Step 2: Convert to fraction form
    60,739.73/91,110.20 = 21,297.79/x
  3. Step 3: Cross multiply
    60,739.73x = 91,110.20 × 21,297.79
  4. Step 4: Simplify right side
    60,739.73x = 1,940,445,906.46
  5. Step 5: Solve for x
    x = 1,940,445,906.46/60,739.73
  6. Step 6: Final answer
    x = 31,946.90

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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.