Home / 20,841.04-31,261.64-5,046.05

Finding the Fourth Proportional to 20,841.04, 31,261.64 and 5,046.05

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Solution

The fourth proportional to 20,841.04, 31,261.64 and 5,046.05 is: 7,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.04 : 31,261.64 = 5,046.05 : x
  2. Step 2: Convert to fraction form
    20,841.04/31,261.64 = 5,046.05/x
  3. Step 3: Cross multiply
    20,841.04x = 31,261.64 × 5,046.05
  4. Step 4: Simplify right side
    20,841.04x = 157,747,708.42
  5. Step 5: Solve for x
    x = 157,747,708.42/20,841.04
  6. Step 6: Final answer
    x = 7,569.09

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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.