Home / 50,202.05-69,350.92-40,117.28

Finding the Fourth Proportional to 50,202.05, 69,350.92 and 40,117.28

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Solution

The fourth proportional to 50,202.05, 69,350.92 and 40,117.28 is: 55,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,202.05 : 69,350.92 = 40,117.28 : x
  2. Step 2: Convert to fraction form
    50,202.05/69,350.92 = 40,117.28/x
  3. Step 3: Cross multiply
    50,202.05x = 69,350.92 × 40,117.28
  4. Step 4: Simplify right side
    50,202.05x = 2,782,169,828.85
  5. Step 5: Solve for x
    x = 2,782,169,828.85/50,202.05
  6. Step 6: Final answer
    x = 55,419.45

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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.