Home / 39,451.79-54,438.56-23,317.20

Finding the Fourth Proportional to 39,451.79, 54,438.56 and 23,317.20

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Solution

The fourth proportional to 39,451.79, 54,438.56 and 23,317.20 is: 32,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.79 : 54,438.56 = 23,317.20 : x
  2. Step 2: Convert to fraction form
    39,451.79/54,438.56 = 23,317.20/x
  3. Step 3: Cross multiply
    39,451.79x = 54,438.56 × 23,317.20
  4. Step 4: Simplify right side
    39,451.79x = 1,269,354,791.23
  5. Step 5: Solve for x
    x = 1,269,354,791.23/39,451.79
  6. Step 6: Final answer
    x = 32,174.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.