Home / 20,724.66-31,088.82-5,933.28

Finding the Fourth Proportional to 20,724.66, 31,088.82 and 5,933.28

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Solution

The fourth proportional to 20,724.66, 31,088.82 and 5,933.28 is: 8,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.66 : 31,088.82 = 5,933.28 : x
  2. Step 2: Convert to fraction form
    20,724.66/31,088.82 = 5,933.28/x
  3. Step 3: Cross multiply
    20,724.66x = 31,088.82 × 5,933.28
  4. Step 4: Simplify right side
    20,724.66x = 184,458,673.93
  5. Step 5: Solve for x
    x = 184,458,673.93/20,724.66
  6. Step 6: Final answer
    x = 8,900.44

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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.