Home / 54,851.46-82,277.19-19,791.11

Finding the Fourth Proportional to 54,851.46, 82,277.19 and 19,791.11

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Solution

The fourth proportional to 54,851.46, 82,277.19 and 19,791.11 is: 29,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.46 : 82,277.19 = 19,791.11 : x
  2. Step 2: Convert to fraction form
    54,851.46/82,277.19 = 19,791.11/x
  3. Step 3: Cross multiply
    54,851.46x = 82,277.19 × 19,791.11
  4. Step 4: Simplify right side
    54,851.46x = 1,628,356,506.39
  5. Step 5: Solve for x
    x = 1,628,356,506.39/54,851.46
  6. Step 6: Final answer
    x = 29,686.66

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1.5x scale

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.