Home / 47,418.72-71,138.66-17,836.80

Finding the Fourth Proportional to 47,418.72, 71,138.66 and 17,836.80

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Solution

The fourth proportional to 47,418.72, 71,138.66 and 17,836.80 is: 26,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.72 : 71,138.66 = 17,836.80 : x
  2. Step 2: Convert to fraction form
    47,418.72/71,138.66 = 17,836.80/x
  3. Step 3: Cross multiply
    47,418.72x = 71,138.66 × 17,836.80
  4. Step 4: Simplify right side
    47,418.72x = 1,268,886,050.69
  5. Step 5: Solve for x
    x = 1,268,886,050.69/47,418.72
  6. Step 6: Final answer
    x = 26,759.18

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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.