Home / 48,286.93-72,458.67-20,204.64

Finding the Fourth Proportional to 48,286.93, 72,458.67 and 20,204.64

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Solution

The fourth proportional to 48,286.93, 72,458.67 and 20,204.64 is: 30,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,286.93 : 72,458.67 = 20,204.64 : x
  2. Step 2: Convert to fraction form
    48,286.93/72,458.67 = 20,204.64/x
  3. Step 3: Cross multiply
    48,286.93x = 72,458.67 × 20,204.64
  4. Step 4: Simplify right side
    48,286.93x = 1,464,001,342.23
  5. Step 5: Solve for x
    x = 1,464,001,342.23/48,286.93
  6. Step 6: Final answer
    x = 30,318.79

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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.