Home / 50,910.43-70,256.78-28,249.51

Finding the Fourth Proportional to 50,910.43, 70,256.78 and 28,249.51

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Solution

The fourth proportional to 50,910.43, 70,256.78 and 28,249.51 is: 38,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.43 : 70,256.78 = 28,249.51 : x
  2. Step 2: Convert to fraction form
    50,910.43/70,256.78 = 28,249.51/x
  3. Step 3: Cross multiply
    50,910.43x = 70,256.78 × 28,249.51
  4. Step 4: Simplify right side
    50,910.43x = 1,984,719,609.18
  5. Step 5: Solve for x
    x = 1,984,719,609.18/50,910.43
  6. Step 6: Final answer
    x = 38,984.54

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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.