Home / 39,931.48-55,105.74-22,027

Finding the Fourth Proportional to 39,931.48, 55,105.74 and 22,027

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Solution

The fourth proportional to 39,931.48, 55,105.74 and 22,027 is: 30,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.48 : 55,105.74 = 22,027 : x
  2. Step 2: Convert to fraction form
    39,931.48/55,105.74 = 22,027/x
  3. Step 3: Cross multiply
    39,931.48x = 55,105.74 × 22,027
  4. Step 4: Simplify right side
    39,931.48x = 1,213,814,134.98
  5. Step 5: Solve for x
    x = 1,213,814,134.98/39,931.48
  6. Step 6: Final answer
    x = 30,397.42

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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.