Home / 35,331.21-48,759.78-20,228.61

Finding the Fourth Proportional to 35,331.21, 48,759.78 and 20,228.61

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Solution

The fourth proportional to 35,331.21, 48,759.78 and 20,228.61 is: 27,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.21 : 48,759.78 = 20,228.61 : x
  2. Step 2: Convert to fraction form
    35,331.21/48,759.78 = 20,228.61/x
  3. Step 3: Cross multiply
    35,331.21x = 48,759.78 × 20,228.61
  4. Step 4: Simplify right side
    35,331.21x = 986,342,573.31
  5. Step 5: Solve for x
    x = 986,342,573.31/35,331.21
  6. Step 6: Final answer
    x = 27,917.03

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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.