Home / 32,128.21-44,353.02-20,198.13

Finding the Fourth Proportional to 32,128.21, 44,353.02 and 20,198.13

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Solution

The fourth proportional to 32,128.21, 44,353.02 and 20,198.13 is: 27,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.21 : 44,353.02 = 20,198.13 : x
  2. Step 2: Convert to fraction form
    32,128.21/44,353.02 = 20,198.13/x
  3. Step 3: Cross multiply
    32,128.21x = 44,353.02 × 20,198.13
  4. Step 4: Simplify right side
    32,128.21x = 895,847,859.66
  5. Step 5: Solve for x
    x = 895,847,859.66/32,128.21
  6. Step 6: Final answer
    x = 27,883.53

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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.