Home / 69,816.25-96,339.13-39,591.91

Finding the Fourth Proportional to 69,816.25, 96,339.13 and 39,591.91

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Solution

The fourth proportional to 69,816.25, 96,339.13 and 39,591.91 is: 54,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.25 : 96,339.13 = 39,591.91 : x
  2. Step 2: Convert to fraction form
    69,816.25/96,339.13 = 39,591.91/x
  3. Step 3: Cross multiply
    69,816.25x = 96,339.13 × 39,591.91
  4. Step 4: Simplify right side
    69,816.25x = 3,814,250,164.44
  5. Step 5: Solve for x
    x = 3,814,250,164.44/69,816.25
  6. Step 6: Final answer
    x = 54,632.70

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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.