Home / 50,889.11-70,212.56-40,100.54

Finding the Fourth Proportional to 50,889.11, 70,212.56 and 40,100.54

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Solution

The fourth proportional to 50,889.11, 70,212.56 and 40,100.54 is: 55,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,889.11 : 70,212.56 = 40,100.54 : x
  2. Step 2: Convert to fraction form
    50,889.11/70,212.56 = 40,100.54/x
  3. Step 3: Cross multiply
    50,889.11x = 70,212.56 × 40,100.54
  4. Step 4: Simplify right side
    50,889.11x = 2,815,561,019.22
  5. Step 5: Solve for x
    x = 2,815,561,019.22/50,889.11
  6. Step 6: Final answer
    x = 55,327.38

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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.