Home / 50,206.04-69,356.44-40,121.28

Finding the Fourth Proportional to 50,206.04, 69,356.44 and 40,121.28

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Solution

The fourth proportional to 50,206.04, 69,356.44 and 40,121.28 is: 55,424.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,206.04 : 69,356.44 = 40,121.28 : x
  2. Step 2: Convert to fraction form
    50,206.04/69,356.44 = 40,121.28/x
  3. Step 3: Cross multiply
    50,206.04x = 69,356.44 × 40,121.28
  4. Step 4: Simplify right side
    50,206.04x = 2,782,669,149.04
  5. Step 5: Solve for x
    x = 2,782,669,149.04/50,206.04
  6. Step 6: Final answer
    x = 55,424.99

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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.