Home / 39,791.81-59,633.36-21,996.11

Finding the Fourth Proportional to 39,791.81, 59,633.36 and 21,996.11

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Solution

The fourth proportional to 39,791.81, 59,633.36 and 21,996.11 is: 32,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.81 : 59,633.36 = 21,996.11 : x
  2. Step 2: Convert to fraction form
    39,791.81/59,633.36 = 21,996.11/x
  3. Step 3: Cross multiply
    39,791.81x = 59,633.36 × 21,996.11
  4. Step 4: Simplify right side
    39,791.81x = 1,311,702,067.82
  5. Step 5: Solve for x
    x = 1,311,702,067.82/39,791.81
  6. Step 6: Final answer
    x = 32,964.12

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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.