Home / 47,786.52-71,712.18-16,621.68

Finding the Fourth Proportional to 47,786.52, 71,712.18 and 16,621.68

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Solution

The fourth proportional to 47,786.52, 71,712.18 and 16,621.68 is: 24,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.52 : 71,712.18 = 16,621.68 : x
  2. Step 2: Convert to fraction form
    47,786.52/71,712.18 = 16,621.68/x
  3. Step 3: Cross multiply
    47,786.52x = 71,712.18 × 16,621.68
  4. Step 4: Simplify right side
    47,786.52x = 1,191,976,908.06
  5. Step 5: Solve for x
    x = 1,191,976,908.06/47,786.52
  6. Step 6: Final answer
    x = 24,943.79

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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.