Home / 39,539.87-54,626.31-33,155.19

Finding the Fourth Proportional to 39,539.87, 54,626.31 and 33,155.19

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Solution

The fourth proportional to 39,539.87, 54,626.31 and 33,155.19 is: 45,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.87 : 54,626.31 = 33,155.19 : x
  2. Step 2: Convert to fraction form
    39,539.87/54,626.31 = 33,155.19/x
  3. Step 3: Cross multiply
    39,539.87x = 54,626.31 × 33,155.19
  4. Step 4: Simplify right side
    39,539.87x = 1,811,145,767.57
  5. Step 5: Solve for x
    x = 1,811,145,767.57/39,539.87
  6. Step 6: Final answer
    x = 45,805.56

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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.