Home / 69,579.38-96,028.59-38,964.13

Finding the Fourth Proportional to 69,579.38, 96,028.59 and 38,964.13

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Solution

The fourth proportional to 69,579.38, 96,028.59 and 38,964.13 is: 53,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579.38 : 96,028.59 = 38,964.13 : x
  2. Step 2: Convert to fraction form
    69,579.38/96,028.59 = 38,964.13/x
  3. Step 3: Cross multiply
    69,579.38x = 96,028.59 × 38,964.13
  4. Step 4: Simplify right side
    69,579.38x = 3,741,670,311.84
  5. Step 5: Solve for x
    x = 3,741,670,311.84/69,579.38
  6. Step 6: Final answer
    x = 53,775.56

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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.