Home / 39,944.21-55,123.20-22,039.22

Finding the Fourth Proportional to 39,944.21, 55,123.20 and 22,039.22

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Solution

The fourth proportional to 39,944.21, 55,123.20 and 22,039.22 is: 30,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.21 : 55,123.20 = 22,039.22 : x
  2. Step 2: Convert to fraction form
    39,944.21/55,123.20 = 22,039.22/x
  3. Step 3: Cross multiply
    39,944.21x = 55,123.20 × 22,039.22
  4. Step 4: Simplify right side
    39,944.21x = 1,214,872,469.71
  5. Step 5: Solve for x
    x = 1,214,872,469.71/39,944.21
  6. Step 6: Final answer
    x = 30,414.24

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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.