Home / 39,822.92-59,771.36-20,115.34

Finding the Fourth Proportional to 39,822.92, 59,771.36 and 20,115.34

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Solution

The fourth proportional to 39,822.92, 59,771.36 and 20,115.34 is: 30,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.92 : 59,771.36 = 20,115.34 : x
  2. Step 2: Convert to fraction form
    39,822.92/59,771.36 = 20,115.34/x
  3. Step 3: Cross multiply
    39,822.92x = 59,771.36 × 20,115.34
  4. Step 4: Simplify right side
    39,822.92x = 1,202,321,228.66
  5. Step 5: Solve for x
    x = 1,202,321,228.66/39,822.92
  6. Step 6: Final answer
    x = 30,191.69

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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.