Home / 78,249.32-117,382.44-24,928.72

Finding the Fourth Proportional to 78,249.32, 117,382.44 and 24,928.72

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Solution

The fourth proportional to 78,249.32, 117,382.44 and 24,928.72 is: 37,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,249.32 : 117,382.44 = 24,928.72 : x
  2. Step 2: Convert to fraction form
    78,249.32/117,382.44 = 24,928.72/x
  3. Step 3: Cross multiply
    78,249.32x = 117,382.44 × 24,928.72
  4. Step 4: Simplify right side
    78,249.32x = 2,926,194,534.94
  5. Step 5: Solve for x
    x = 2,926,194,534.94/78,249.32
  6. Step 6: Final answer
    x = 37,395.78

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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.