Home / 69,649.64-96,115.52-39,434.18

Finding the Fourth Proportional to 69,649.64, 96,115.52 and 39,434.18

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Solution

The fourth proportional to 69,649.64, 96,115.52 and 39,434.18 is: 54,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,649.64 : 96,115.52 = 39,434.18 : x
  2. Step 2: Convert to fraction form
    69,649.64/96,115.52 = 39,434.18/x
  3. Step 3: Cross multiply
    69,649.64x = 96,115.52 × 39,434.18
  4. Step 4: Simplify right side
    69,649.64x = 3,790,236,716.47
  5. Step 5: Solve for x
    x = 3,790,236,716.47/69,649.64
  6. Step 6: Final answer
    x = 54,418.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.