Home / 32,745.32-45,186.18-20,170.28

Finding the Fourth Proportional to 32,745.32, 45,186.18 and 20,170.28

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Solution

The fourth proportional to 32,745.32, 45,186.18 and 20,170.28 is: 27,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.32 : 45,186.18 = 20,170.28 : x
  2. Step 2: Convert to fraction form
    32,745.32/45,186.18 = 20,170.28/x
  3. Step 3: Cross multiply
    32,745.32x = 45,186.18 × 20,170.28
  4. Step 4: Simplify right side
    32,745.32x = 911,417,902.73
  5. Step 5: Solve for x
    x = 911,417,902.73/32,745.32
  6. Step 6: Final answer
    x = 27,833.53

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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.