Home / 50,719.68-69,991.56-28,057.44

Finding the Fourth Proportional to 50,719.68, 69,991.56 and 28,057.44

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Solution

The fourth proportional to 50,719.68, 69,991.56 and 28,057.44 is: 38,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.68 : 69,991.56 = 28,057.44 : x
  2. Step 2: Convert to fraction form
    50,719.68/69,991.56 = 28,057.44/x
  3. Step 3: Cross multiply
    50,719.68x = 69,991.56 × 28,057.44
  4. Step 4: Simplify right side
    50,719.68x = 1,963,783,995.21
  5. Step 5: Solve for x
    x = 1,963,783,995.21/50,719.68
  6. Step 6: Final answer
    x = 38,718.38

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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.