Home / 31,872.32-47,745.44-21,852.48

Finding the Fourth Proportional to 31,872.32, 47,745.44 and 21,852.48

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Solution

The fourth proportional to 31,872.32, 47,745.44 and 21,852.48 is: 32,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.32 : 47,745.44 = 21,852.48 : x
  2. Step 2: Convert to fraction form
    31,872.32/47,745.44 = 21,852.48/x
  3. Step 3: Cross multiply
    31,872.32x = 47,745.44 × 21,852.48
  4. Step 4: Simplify right side
    31,872.32x = 1,043,356,272.69
  5. Step 5: Solve for x
    x = 1,043,356,272.69/31,872.32
  6. Step 6: Final answer
    x = 32,735.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.