Home / 43,324.78-64,989.46-13,744.90

Finding the Fourth Proportional to 43,324.78, 64,989.46 and 13,744.90

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Solution

The fourth proportional to 43,324.78, 64,989.46 and 13,744.90 is: 20,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.78 : 64,989.46 = 13,744.90 : x
  2. Step 2: Convert to fraction form
    43,324.78/64,989.46 = 13,744.90/x
  3. Step 3: Cross multiply
    43,324.78x = 64,989.46 × 13,744.90
  4. Step 4: Simplify right side
    43,324.78x = 893,273,628.75
  5. Step 5: Solve for x
    x = 893,273,628.75/43,324.78
  6. Step 6: Final answer
    x = 20,618.08

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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.