Home / 20,845.68-31,261.98-6,055.62

Finding the Fourth Proportional to 20,845.68, 31,261.98 and 6,055.62

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Solution

The fourth proportional to 20,845.68, 31,261.98 and 6,055.62 is: 9,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845.68 : 31,261.98 = 6,055.62 : x
  2. Step 2: Convert to fraction form
    20,845.68/31,261.98 = 6,055.62/x
  3. Step 3: Cross multiply
    20,845.68x = 31,261.98 × 6,055.62
  4. Step 4: Simplify right side
    20,845.68x = 189,310,671.33
  5. Step 5: Solve for x
    x = 189,310,671.33/20,845.68
  6. Step 6: Final answer
    x = 9,081.53

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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.