Home / 36,342.82-50,154.51-20,427.22

Finding the Fourth Proportional to 36,342.82, 50,154.51 and 20,427.22

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Solution

The fourth proportional to 36,342.82, 50,154.51 and 20,427.22 is: 28,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.82 : 50,154.51 = 20,427.22 : x
  2. Step 2: Convert to fraction form
    36,342.82/50,154.51 = 20,427.22/x
  3. Step 3: Cross multiply
    36,342.82x = 50,154.51 × 20,427.22
  4. Step 4: Simplify right side
    36,342.82x = 1,024,517,209.76
  5. Step 5: Solve for x
    x = 1,024,517,209.76/36,342.82
  6. Step 6: Final answer
    x = 28,190.36

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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.