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Finding the Fourth Proportional to 60,660.36, 90,928.32 and 27,403.68

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Solution

The fourth proportional to 60,660.36, 90,928.32 and 27,403.68 is: 41,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660.36 : 90,928.32 = 27,403.68 : x
  2. Step 2: Convert to fraction form
    60,660.36/90,928.32 = 27,403.68/x
  3. Step 3: Cross multiply
    60,660.36x = 90,928.32 × 27,403.68
  4. Step 4: Simplify right side
    60,660.36x = 2,491,770,584.22
  5. Step 5: Solve for x
    x = 2,491,770,584.22/60,660.36
  6. Step 6: Final answer
    x = 41,077.41

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1.5x scale

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.