Home / 47,132.25-70,680.42-20,822.64

Finding the Fourth Proportional to 47,132.25, 70,680.42 and 20,822.64

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Solution

The fourth proportional to 47,132.25, 70,680.42 and 20,822.64 is: 31,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.25 : 70,680.42 = 20,822.64 : x
  2. Step 2: Convert to fraction form
    47,132.25/70,680.42 = 20,822.64/x
  3. Step 3: Cross multiply
    47,132.25x = 70,680.42 × 20,822.64
  4. Step 4: Simplify right side
    47,132.25x = 1,471,752,940.71
  5. Step 5: Solve for x
    x = 1,471,752,940.71/47,132.25
  6. Step 6: Final answer
    x = 31,226.03

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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.