Home / 29,317.18-43,977-8,540.68

Finding the Fourth Proportional to 29,317.18, 43,977 and 8,540.68

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Solution

The fourth proportional to 29,317.18, 43,977 and 8,540.68 is: 12,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.18 : 43,977 = 8,540.68 : x
  2. Step 2: Convert to fraction form
    29,317.18/43,977 = 8,540.68/x
  3. Step 3: Cross multiply
    29,317.18x = 43,977 × 8,540.68
  4. Step 4: Simplify right side
    29,317.18x = 375,593,484.36
  5. Step 5: Solve for x
    x = 375,593,484.36/29,317.18
  6. Step 6: Final answer
    x = 12,811.38

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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.