Home / 29,115.83-43,664.37-9,389.76

Finding the Fourth Proportional to 29,115.83, 43,664.37 and 9,389.76

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Solution

The fourth proportional to 29,115.83, 43,664.37 and 9,389.76 is: 14,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.83 : 43,664.37 = 9,389.76 : x
  2. Step 2: Convert to fraction form
    29,115.83/43,664.37 = 9,389.76/x
  3. Step 3: Cross multiply
    29,115.83x = 43,664.37 × 9,389.76
  4. Step 4: Simplify right side
    29,115.83x = 409,997,954.85
  5. Step 5: Solve for x
    x = 409,997,954.85/29,115.83
  6. Step 6: Final answer
    x = 14,081.62

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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.