Home / 48,815.75-73,209.28-20,735.58

Finding the Fourth Proportional to 48,815.75, 73,209.28 and 20,735.58

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Solution

The fourth proportional to 48,815.75, 73,209.28 and 20,735.58 is: 31,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.75 : 73,209.28 = 20,735.58 : x
  2. Step 2: Convert to fraction form
    48,815.75/73,209.28 = 20,735.58/x
  3. Step 3: Cross multiply
    48,815.75x = 73,209.28 × 20,735.58
  4. Step 4: Simplify right side
    48,815.75x = 1,518,036,961.53
  5. Step 5: Solve for x
    x = 1,518,036,961.53/48,815.75
  6. Step 6: Final answer
    x = 31,097.28

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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.