Home / 32,131.64-44,343.36-20,190.56

Finding the Fourth Proportional to 32,131.64, 44,343.36 and 20,190.56

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Solution

The fourth proportional to 32,131.64, 44,343.36 and 20,190.56 is: 27,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.64 : 44,343.36 = 20,190.56 : x
  2. Step 2: Convert to fraction form
    32,131.64/44,343.36 = 20,190.56/x
  3. Step 3: Cross multiply
    32,131.64x = 44,343.36 × 20,190.56
  4. Step 4: Simplify right side
    32,131.64x = 895,317,270.68
  5. Step 5: Solve for x
    x = 895,317,270.68/32,131.64
  6. Step 6: Final answer
    x = 27,864.04

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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.