Home / 39,512.92-59,238.42-19,781.56

Finding the Fourth Proportional to 39,512.92, 59,238.42 and 19,781.56

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Solution

The fourth proportional to 39,512.92, 59,238.42 and 19,781.56 is: 29,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.92 : 59,238.42 = 19,781.56 : x
  2. Step 2: Convert to fraction form
    39,512.92/59,238.42 = 19,781.56/x
  3. Step 3: Cross multiply
    39,512.92x = 59,238.42 × 19,781.56
  4. Step 4: Simplify right side
    39,512.92x = 1,171,828,359.54
  5. Step 5: Solve for x
    x = 1,171,828,359.54/39,512.92
  6. Step 6: Final answer
    x = 29,656.84

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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.