Home / 34,694.39-47,879.41-21,263.05

Finding the Fourth Proportional to 34,694.39, 47,879.41 and 21,263.05

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Solution

The fourth proportional to 34,694.39, 47,879.41 and 21,263.05 is: 29,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.39 : 47,879.41 = 21,263.05 : x
  2. Step 2: Convert to fraction form
    34,694.39/47,879.41 = 21,263.05/x
  3. Step 3: Cross multiply
    34,694.39x = 47,879.41 × 21,263.05
  4. Step 4: Simplify right side
    34,694.39x = 1,018,062,288.80
  5. Step 5: Solve for x
    x = 1,018,062,288.80/34,694.39
  6. Step 6: Final answer
    x = 29,343.71

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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.