Home / 60,906.32-91,369.33-18,776.54

Finding the Fourth Proportional to 60,906.32, 91,369.33 and 18,776.54

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Solution

The fourth proportional to 60,906.32, 91,369.33 and 18,776.54 is: 28,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.32 : 91,369.33 = 18,776.54 : x
  2. Step 2: Convert to fraction form
    60,906.32/91,369.33 = 18,776.54/x
  3. Step 3: Cross multiply
    60,906.32x = 91,369.33 × 18,776.54
  4. Step 4: Simplify right side
    60,906.32x = 1,715,599,879.52
  5. Step 5: Solve for x
    x = 1,715,599,879.52/60,906.32
  6. Step 6: Final answer
    x = 28,167.85

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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.