Home / 20,691.67-31,037.79-5,900.59

Finding the Fourth Proportional to 20,691.67, 31,037.79 and 5,900.59

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Solution

The fourth proportional to 20,691.67, 31,037.79 and 5,900.59 is: 8,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691.67 : 31,037.79 = 5,900.59 : x
  2. Step 2: Convert to fraction form
    20,691.67/31,037.79 = 5,900.59/x
  3. Step 3: Cross multiply
    20,691.67x = 31,037.79 × 5,900.59
  4. Step 4: Simplify right side
    20,691.67x = 183,141,118.11
  5. Step 5: Solve for x
    x = 183,141,118.11/20,691.67
  6. Step 6: Final answer
    x = 8,850.96

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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.