Home / 31,202.06-43,034.34-27,620.78

Finding the Fourth Proportional to 31,202.06, 43,034.34 and 27,620.78

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Solution

The fourth proportional to 31,202.06, 43,034.34 and 27,620.78 is: 38,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.06 : 43,034.34 = 27,620.78 : x
  2. Step 2: Convert to fraction form
    31,202.06/43,034.34 = 27,620.78/x
  3. Step 3: Cross multiply
    31,202.06x = 43,034.34 × 27,620.78
  4. Step 4: Simplify right side
    31,202.06x = 1,188,642,037.59
  5. Step 5: Solve for x
    x = 1,188,642,037.59/31,202.06
  6. Step 6: Final answer
    x = 38,094.99

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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.