Home / 71,279.30-106,942.68-23,899.07

Finding the Fourth Proportional to 71,279.30, 106,942.68 and 23,899.07

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Solution

The fourth proportional to 71,279.30, 106,942.68 and 23,899.07 is: 35,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279.30 : 106,942.68 = 23,899.07 : x
  2. Step 2: Convert to fraction form
    71,279.30/106,942.68 = 23,899.07/x
  3. Step 3: Cross multiply
    71,279.30x = 106,942.68 × 23,899.07
  4. Step 4: Simplify right side
    71,279.30x = 2,555,830,060.59
  5. Step 5: Solve for x
    x = 2,555,830,060.59/71,279.30
  6. Step 6: Final answer
    x = 35,856.56

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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.