Home / 36,313.31-50,112.14-20,397.42

Finding the Fourth Proportional to 36,313.31, 50,112.14 and 20,397.42

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Solution

The fourth proportional to 36,313.31, 50,112.14 and 20,397.42 is: 28,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.31 : 50,112.14 = 20,397.42 : x
  2. Step 2: Convert to fraction form
    36,313.31/50,112.14 = 20,397.42/x
  3. Step 3: Cross multiply
    36,313.31x = 50,112.14 × 20,397.42
  4. Step 4: Simplify right side
    36,313.31x = 1,022,158,264.69
  5. Step 5: Solve for x
    x = 1,022,158,264.69/36,313.31
  6. Step 6: Final answer
    x = 28,148.31

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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.