Home / 76,045.32-114,067.56-20,641.32

Finding the Fourth Proportional to 76,045.32, 114,067.56 and 20,641.32

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Solution

The fourth proportional to 76,045.32, 114,067.56 and 20,641.32 is: 30,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.32 : 114,067.56 = 20,641.32 : x
  2. Step 2: Convert to fraction form
    76,045.32/114,067.56 = 20,641.32/x
  3. Step 3: Cross multiply
    76,045.32x = 114,067.56 × 20,641.32
  4. Step 4: Simplify right side
    76,045.32x = 2,354,505,007.58
  5. Step 5: Solve for x
    x = 2,354,505,007.58/76,045.32
  6. Step 6: Final answer
    x = 30,961.87

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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.