Home / 39,944.72-55,122.80-22,039.74

Finding the Fourth Proportional to 39,944.72, 55,122.80 and 22,039.74

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Solution

The fourth proportional to 39,944.72, 55,122.80 and 22,039.74 is: 30,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.72 : 55,122.80 = 22,039.74 : x
  2. Step 2: Convert to fraction form
    39,944.72/55,122.80 = 22,039.74/x
  3. Step 3: Cross multiply
    39,944.72x = 55,122.80 × 22,039.74
  4. Step 4: Simplify right side
    39,944.72x = 1,214,892,069.87
  5. Step 5: Solve for x
    x = 1,214,892,069.87/39,944.72
  6. Step 6: Final answer
    x = 30,414.33

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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.