Home / 51,269.52-76,936.68-21,688.32

Finding the Fourth Proportional to 51,269.52, 76,936.68 and 21,688.32

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Solution

The fourth proportional to 51,269.52, 76,936.68 and 21,688.32 is: 32,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.52 : 76,936.68 = 21,688.32 : x
  2. Step 2: Convert to fraction form
    51,269.52/76,936.68 = 21,688.32/x
  3. Step 3: Cross multiply
    51,269.52x = 76,936.68 × 21,688.32
  4. Step 4: Simplify right side
    51,269.52x = 1,668,627,335.58
  5. Step 5: Solve for x
    x = 1,668,627,335.58/51,269.52
  6. Step 6: Final answer
    x = 32,546.19

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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.