Home / 50,202.55-69,351.61-40,117.78

Finding the Fourth Proportional to 50,202.55, 69,351.61 and 40,117.78

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Solution

The fourth proportional to 50,202.55, 69,351.61 and 40,117.78 is: 55,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,202.55 : 69,351.61 = 40,117.78 : x
  2. Step 2: Convert to fraction form
    50,202.55/69,351.61 = 40,117.78/x
  3. Step 3: Cross multiply
    50,202.55x = 69,351.61 × 40,117.78
  4. Step 4: Simplify right side
    50,202.55x = 2,782,232,285.87
  5. Step 5: Solve for x
    x = 2,782,232,285.87/50,202.55
  6. Step 6: Final answer
    x = 55,420.14

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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.