Home / 31,469.34-47,204.31-8,979.99

Finding the Fourth Proportional to 31,469.34, 47,204.31 and 8,979.99

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Solution

The fourth proportional to 31,469.34, 47,204.31 and 8,979.99 is: 13,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.34 : 47,204.31 = 8,979.99 : x
  2. Step 2: Convert to fraction form
    31,469.34/47,204.31 = 8,979.99/x
  3. Step 3: Cross multiply
    31,469.34x = 47,204.31 × 8,979.99
  4. Step 4: Simplify right side
    31,469.34x = 423,894,231.76
  5. Step 5: Solve for x
    x = 423,894,231.76/31,469.34
  6. Step 6: Final answer
    x = 13,470.07

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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.