Home / 39,936.96-55,113.42-22,031.80

Finding the Fourth Proportional to 39,936.96, 55,113.42 and 22,031.80

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Solution

The fourth proportional to 39,936.96, 55,113.42 and 22,031.80 is: 30,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.96 : 55,113.42 = 22,031.80 : x
  2. Step 2: Convert to fraction form
    39,936.96/55,113.42 = 22,031.80/x
  3. Step 3: Cross multiply
    39,936.96x = 55,113.42 × 22,031.80
  4. Step 4: Simplify right side
    39,936.96x = 1,214,247,846.76
  5. Step 5: Solve for x
    x = 1,214,247,846.76/39,936.96
  6. Step 6: Final answer
    x = 30,404.11

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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.