Home / 47,318.22-70,977.33-12,257.88

Finding the Fourth Proportional to 47,318.22, 70,977.33 and 12,257.88

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Solution

The fourth proportional to 47,318.22, 70,977.33 and 12,257.88 is: 18,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318.22 : 70,977.33 = 12,257.88 : x
  2. Step 2: Convert to fraction form
    47,318.22/70,977.33 = 12,257.88/x
  3. Step 3: Cross multiply
    47,318.22x = 70,977.33 × 12,257.88
  4. Step 4: Simplify right side
    47,318.22x = 870,031,593.86
  5. Step 5: Solve for x
    x = 870,031,593.86/47,318.22
  6. Step 6: Final answer
    x = 18,386.82

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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.