Home / 50,719.22-69,991.26-28,059.47

Finding the Fourth Proportional to 50,719.22, 69,991.26 and 28,059.47

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Solution

The fourth proportional to 50,719.22, 69,991.26 and 28,059.47 is: 38,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.22 : 69,991.26 = 28,059.47 : x
  2. Step 2: Convert to fraction form
    50,719.22/69,991.26 = 28,059.47/x
  3. Step 3: Cross multiply
    50,719.22x = 69,991.26 × 28,059.47
  4. Step 4: Simplify right side
    50,719.22x = 1,963,917,660.23
  5. Step 5: Solve for x
    x = 1,963,917,660.23/50,719.22
  6. Step 6: Final answer
    x = 38,721.37

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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.