Home / 47,221.35-70,839.71-13,944.77

Finding the Fourth Proportional to 47,221.35, 70,839.71 and 13,944.77

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Solution

The fourth proportional to 47,221.35, 70,839.71 and 13,944.77 is: 20,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.35 : 70,839.71 = 13,944.77 : x
  2. Step 2: Convert to fraction form
    47,221.35/70,839.71 = 13,944.77/x
  3. Step 3: Cross multiply
    47,221.35x = 70,839.71 × 13,944.77
  4. Step 4: Simplify right side
    47,221.35x = 987,843,833.75
  5. Step 5: Solve for x
    x = 987,843,833.75/47,221.35
  6. Step 6: Final answer
    x = 20,919.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.