Home / 32,629.88-48,956.40-20,135.36

Finding the Fourth Proportional to 32,629.88, 48,956.40 and 20,135.36

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Solution

The fourth proportional to 32,629.88, 48,956.40 and 20,135.36 is: 30,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,629.88 : 48,956.40 = 20,135.36 : x
  2. Step 2: Convert to fraction form
    32,629.88/48,956.40 = 20,135.36/x
  3. Step 3: Cross multiply
    32,629.88x = 48,956.40 × 20,135.36
  4. Step 4: Simplify right side
    32,629.88x = 985,754,738.30
  5. Step 5: Solve for x
    x = 985,754,738.30/32,629.88
  6. Step 6: Final answer
    x = 30,210.19

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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.