Home / 47,317.78-70,976.68-12,257.44

Finding the Fourth Proportional to 47,317.78, 70,976.68 and 12,257.44

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Solution

The fourth proportional to 47,317.78, 70,976.68 and 12,257.44 is: 18,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,317.78 : 70,976.68 = 12,257.44 : x
  2. Step 2: Convert to fraction form
    47,317.78/70,976.68 = 12,257.44/x
  3. Step 3: Cross multiply
    47,317.78x = 70,976.68 × 12,257.44
  4. Step 4: Simplify right side
    47,317.78x = 869,992,188.41
  5. Step 5: Solve for x
    x = 869,992,188.41/47,317.78
  6. Step 6: Final answer
    x = 18,386.16

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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.