Home / 39,865.82-59,725.80-18,823.24

Finding the Fourth Proportional to 39,865.82, 59,725.80 and 18,823.24

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Solution

The fourth proportional to 39,865.82, 59,725.80 and 18,823.24 is: 28,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.82 : 59,725.80 = 18,823.24 : x
  2. Step 2: Convert to fraction form
    39,865.82/59,725.80 = 18,823.24/x
  3. Step 3: Cross multiply
    39,865.82x = 59,725.80 × 18,823.24
  4. Step 4: Simplify right side
    39,865.82x = 1,124,233,067.59
  5. Step 5: Solve for x
    x = 1,124,233,067.59/39,865.82
  6. Step 6: Final answer
    x = 28,200.43

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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.