Home / 35,232.20-48,618.59-20,121.90

Finding the Fourth Proportional to 35,232.20, 48,618.59 and 20,121.90

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Solution

The fourth proportional to 35,232.20, 48,618.59 and 20,121.90 is: 27,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,232.20 : 48,618.59 = 20,121.90 : x
  2. Step 2: Convert to fraction form
    35,232.20/48,618.59 = 20,121.90/x
  3. Step 3: Cross multiply
    35,232.20x = 48,618.59 × 20,121.90
  4. Step 4: Simplify right side
    35,232.20x = 978,298,406.12
  5. Step 5: Solve for x
    x = 978,298,406.12/35,232.20
  6. Step 6: Final answer
    x = 27,767.17

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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.