Home / 50,845.82-70,171.42-28,191.92

Finding the Fourth Proportional to 50,845.82, 70,171.42 and 28,191.92

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Solution

The fourth proportional to 50,845.82, 70,171.42 and 28,191.92 is: 38,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,845.82 : 70,171.42 = 28,191.92 : x
  2. Step 2: Convert to fraction form
    50,845.82/70,171.42 = 28,191.92/x
  3. Step 3: Cross multiply
    50,845.82x = 70,171.42 × 28,191.92
  4. Step 4: Simplify right side
    50,845.82x = 1,978,267,058.93
  5. Step 5: Solve for x
    x = 1,978,267,058.93/50,845.82
  6. Step 6: Final answer
    x = 38,907.17

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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.