Home / 47,621.43-71,381.79-17,616.39

Finding the Fourth Proportional to 47,621.43, 71,381.79 and 17,616.39

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Solution

The fourth proportional to 47,621.43, 71,381.79 and 17,616.39 is: 26,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.43 : 71,381.79 = 17,616.39 : x
  2. Step 2: Convert to fraction form
    47,621.43/71,381.79 = 17,616.39/x
  3. Step 3: Cross multiply
    47,621.43x = 71,381.79 × 17,616.39
  4. Step 4: Simplify right side
    47,621.43x = 1,257,489,451.54
  5. Step 5: Solve for x
    x = 1,257,489,451.54/47,621.43
  6. Step 6: Final answer
    x = 26,405.96

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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.