Home / 50,631.44-69,871.56-28,275.44

Finding the Fourth Proportional to 50,631.44, 69,871.56 and 28,275.44

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Solution

The fourth proportional to 50,631.44, 69,871.56 and 28,275.44 is: 39,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,631.44 : 69,871.56 = 28,275.44 : x
  2. Step 2: Convert to fraction form
    50,631.44/69,871.56 = 28,275.44/x
  3. Step 3: Cross multiply
    50,631.44x = 69,871.56 × 28,275.44
  4. Step 4: Simplify right side
    50,631.44x = 1,975,649,102.49
  5. Step 5: Solve for x
    x = 1,975,649,102.49/50,631.44
  6. Step 6: Final answer
    x = 39,020.20

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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.