Home / 32,671.32-45,102.26-21,912.27

Finding the Fourth Proportional to 32,671.32, 45,102.26 and 21,912.27

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Solution

The fourth proportional to 32,671.32, 45,102.26 and 21,912.27 is: 30,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.32 : 45,102.26 = 21,912.27 : x
  2. Step 2: Convert to fraction form
    32,671.32/45,102.26 = 21,912.27/x
  3. Step 3: Cross multiply
    32,671.32x = 45,102.26 × 21,912.27
  4. Step 4: Simplify right side
    32,671.32x = 988,292,784.38
  5. Step 5: Solve for x
    x = 988,292,784.38/32,671.32
  6. Step 6: Final answer
    x = 30,249.55

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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.