Home / 71,414.36-107,124.32-21,501.56

Finding the Fourth Proportional to 71,414.36, 107,124.32 and 21,501.56

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Solution

The fourth proportional to 71,414.36, 107,124.32 and 21,501.56 is: 32,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,414.36 : 107,124.32 = 21,501.56 : x
  2. Step 2: Convert to fraction form
    71,414.36/107,124.32 = 21,501.56/x
  3. Step 3: Cross multiply
    71,414.36x = 107,124.32 × 21,501.56
  4. Step 4: Simplify right side
    71,414.36x = 2,303,339,993.94
  5. Step 5: Solve for x
    x = 2,303,339,993.94/71,414.36
  6. Step 6: Final answer
    x = 32,253.18

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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.