Home / 50,791.82-70,093.28-28,131.19

Finding the Fourth Proportional to 50,791.82, 70,093.28 and 28,131.19

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Solution

The fourth proportional to 50,791.82, 70,093.28 and 28,131.19 is: 38,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,791.82 : 70,093.28 = 28,131.19 : x
  2. Step 2: Convert to fraction form
    50,791.82/70,093.28 = 28,131.19/x
  3. Step 3: Cross multiply
    50,791.82x = 70,093.28 × 28,131.19
  4. Step 4: Simplify right side
    50,791.82x = 1,971,807,272.50
  5. Step 5: Solve for x
    x = 1,971,807,272.50/50,791.82
  6. Step 6: Final answer
    x = 38,821.36

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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.