Home / 72,601.25-108,907.35-20,010.28

Finding the Fourth Proportional to 72,601.25, 108,907.35 and 20,010.28

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Solution

The fourth proportional to 72,601.25, 108,907.35 and 20,010.28 is: 30,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.25 : 108,907.35 = 20,010.28 : x
  2. Step 2: Convert to fraction form
    72,601.25/108,907.35 = 20,010.28/x
  3. Step 3: Cross multiply
    72,601.25x = 108,907.35 × 20,010.28
  4. Step 4: Simplify right side
    72,601.25x = 2,179,266,628.65
  5. Step 5: Solve for x
    x = 2,179,266,628.65/72,601.25
  6. Step 6: Final answer
    x = 30,016.93

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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.