Home / 40,149.74-55,408.39-22,244.69

Finding the Fourth Proportional to 40,149.74, 55,408.39 and 22,244.69

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Solution

The fourth proportional to 40,149.74, 55,408.39 and 22,244.69 is: 30,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.74 : 55,408.39 = 22,244.69 : x
  2. Step 2: Convert to fraction form
    40,149.74/55,408.39 = 22,244.69/x
  3. Step 3: Cross multiply
    40,149.74x = 55,408.39 × 22,244.69
  4. Step 4: Simplify right side
    40,149.74x = 1,232,542,541.86
  5. Step 5: Solve for x
    x = 1,232,542,541.86/40,149.74
  6. Step 6: Final answer
    x = 30,698.64

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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.