Home / 35,236.92-48,627.32-20,131.56

Finding the Fourth Proportional to 35,236.92, 48,627.32 and 20,131.56

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Solution

The fourth proportional to 35,236.92, 48,627.32 and 20,131.56 is: 27,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,236.92 : 48,627.32 = 20,131.56 : x
  2. Step 2: Convert to fraction form
    35,236.92/48,627.32 = 20,131.56/x
  3. Step 3: Cross multiply
    35,236.92x = 48,627.32 × 20,131.56
  4. Step 4: Simplify right side
    35,236.92x = 978,943,810.22
  5. Step 5: Solve for x
    x = 978,943,810.22/35,236.92
  6. Step 6: Final answer
    x = 27,781.76

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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.