Home / 47,540.34-71,306.76-12,479.07

Finding the Fourth Proportional to 47,540.34, 71,306.76 and 12,479.07

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Solution

The fourth proportional to 47,540.34, 71,306.76 and 12,479.07 is: 18,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.34 : 71,306.76 = 12,479.07 : x
  2. Step 2: Convert to fraction form
    47,540.34/71,306.76 = 12,479.07/x
  3. Step 3: Cross multiply
    47,540.34x = 71,306.76 × 12,479.07
  4. Step 4: Simplify right side
    47,540.34x = 889,842,049.51
  5. Step 5: Solve for x
    x = 889,842,049.51/47,540.34
  6. Step 6: Final answer
    x = 18,717.62

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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.