Home / 39,936.64-55,110.20-22,031.68

Finding the Fourth Proportional to 39,936.64, 55,110.20 and 22,031.68

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Solution

The fourth proportional to 39,936.64, 55,110.20 and 22,031.68 is: 30,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.64 : 55,110.20 = 22,031.68 : x
  2. Step 2: Convert to fraction form
    39,936.64/55,110.20 = 22,031.68/x
  3. Step 3: Cross multiply
    39,936.64x = 55,110.20 × 22,031.68
  4. Step 4: Simplify right side
    39,936.64x = 1,214,170,291.14
  5. Step 5: Solve for x
    x = 1,214,170,291.14/39,936.64
  6. Step 6: Final answer
    x = 30,402.41

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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.