Home / 50,719.68-69,995.22-28,058.28

Finding the Fourth Proportional to 50,719.68, 69,995.22 and 28,058.28

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Solution

The fourth proportional to 50,719.68, 69,995.22 and 28,058.28 is: 38,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.68 : 69,995.22 = 28,058.28 : x
  2. Step 2: Convert to fraction form
    50,719.68/69,995.22 = 28,058.28/x
  3. Step 3: Cross multiply
    50,719.68x = 69,995.22 × 28,058.28
  4. Step 4: Simplify right side
    50,719.68x = 1,963,945,481.42
  5. Step 5: Solve for x
    x = 1,963,945,481.42/50,719.68
  6. Step 6: Final answer
    x = 38,721.57

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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.