Home / 39,361.91-54,317.39-22,363.79

Finding the Fourth Proportional to 39,361.91, 54,317.39 and 22,363.79

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Solution

The fourth proportional to 39,361.91, 54,317.39 and 22,363.79 is: 30,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,361.91 : 54,317.39 = 22,363.79 : x
  2. Step 2: Convert to fraction form
    39,361.91/54,317.39 = 22,363.79/x
  3. Step 3: Cross multiply
    39,361.91x = 54,317.39 × 22,363.79
  4. Step 4: Simplify right side
    39,361.91x = 1,214,742,319.90
  5. Step 5: Solve for x
    x = 1,214,742,319.90/39,361.91
  6. Step 6: Final answer
    x = 30,860.86

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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.