Home / 50,738.78-70,023.82-28,083.28

Finding the Fourth Proportional to 50,738.78, 70,023.82 and 28,083.28

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Solution

The fourth proportional to 50,738.78, 70,023.82 and 28,083.28 is: 38,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.78 : 70,023.82 = 28,083.28 : x
  2. Step 2: Convert to fraction form
    50,738.78/70,023.82 = 28,083.28/x
  3. Step 3: Cross multiply
    50,738.78x = 70,023.82 × 28,083.28
  4. Step 4: Simplify right side
    50,738.78x = 1,966,498,543.73
  5. Step 5: Solve for x
    x = 1,966,498,543.73/50,738.78
  6. Step 6: Final answer
    x = 38,757.31

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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.