Home / 72,338.08-108,377.52-25,561.12

Finding the Fourth Proportional to 72,338.08, 108,377.52 and 25,561.12

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Solution

The fourth proportional to 72,338.08, 108,377.52 and 25,561.12 is: 38,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338.08 : 108,377.52 = 25,561.12 : x
  2. Step 2: Convert to fraction form
    72,338.08/108,377.52 = 25,561.12/x
  3. Step 3: Cross multiply
    72,338.08x = 108,377.52 × 25,561.12
  4. Step 4: Simplify right side
    72,338.08x = 2,770,250,794.02
  5. Step 5: Solve for x
    x = 2,770,250,794.02/72,338.08
  6. Step 6: Final answer
    x = 38,295.89

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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.