Home / 74,464.24-111,696.30-21,910.60

Finding the Fourth Proportional to 74,464.24, 111,696.30 and 21,910.60

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Solution

The fourth proportional to 74,464.24, 111,696.30 and 21,910.60 is: 32,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.24 : 111,696.30 = 21,910.60 : x
  2. Step 2: Convert to fraction form
    74,464.24/111,696.30 = 21,910.60/x
  3. Step 3: Cross multiply
    74,464.24x = 111,696.30 × 21,910.60
  4. Step 4: Simplify right side
    74,464.24x = 2,447,332,950.78
  5. Step 5: Solve for x
    x = 2,447,332,950.78/74,464.24
  6. Step 6: Final answer
    x = 32,865.88

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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.