Home / 31,671.35-47,508.56-8,297.81

Finding the Fourth Proportional to 31,671.35, 47,508.56 and 8,297.81

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Solution

The fourth proportional to 31,671.35, 47,508.56 and 8,297.81 is: 12,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671.35 : 47,508.56 = 8,297.81 : x
  2. Step 2: Convert to fraction form
    31,671.35/47,508.56 = 8,297.81/x
  3. Step 3: Cross multiply
    31,671.35x = 47,508.56 × 8,297.81
  4. Step 4: Simplify right side
    31,671.35x = 394,216,962.76
  5. Step 5: Solve for x
    x = 394,216,962.76/31,671.35
  6. Step 6: Final answer
    x = 12,447.12

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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.