Home / 39,571.80-59,340.33-11,863.32

Finding the Fourth Proportional to 39,571.80, 59,340.33 and 11,863.32

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Solution

The fourth proportional to 39,571.80, 59,340.33 and 11,863.32 is: 17,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.80 : 59,340.33 = 11,863.32 : x
  2. Step 2: Convert to fraction form
    39,571.80/59,340.33 = 11,863.32/x
  3. Step 3: Cross multiply
    39,571.80x = 59,340.33 × 11,863.32
  4. Step 4: Simplify right side
    39,571.80x = 703,973,323.70
  5. Step 5: Solve for x
    x = 703,973,323.70/39,571.80
  6. Step 6: Final answer
    x = 17,789.77

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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.