Home / 37,138.88-51,258.20-22,039.86

Finding the Fourth Proportional to 37,138.88, 51,258.20 and 22,039.86

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Solution

The fourth proportional to 37,138.88, 51,258.20 and 22,039.86 is: 30,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.88 : 51,258.20 = 22,039.86 : x
  2. Step 2: Convert to fraction form
    37,138.88/51,258.20 = 22,039.86/x
  3. Step 3: Cross multiply
    37,138.88x = 51,258.20 × 22,039.86
  4. Step 4: Simplify right side
    37,138.88x = 1,129,723,551.85
  5. Step 5: Solve for x
    x = 1,129,723,551.85/37,138.88
  6. Step 6: Final answer
    x = 30,418.89

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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.