Home / 20,935.24-31,403.02-7,093.96

Finding the Fourth Proportional to 20,935.24, 31,403.02 and 7,093.96

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Solution

The fourth proportional to 20,935.24, 31,403.02 and 7,093.96 is: 10,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,935.24 : 31,403.02 = 7,093.96 : x
  2. Step 2: Convert to fraction form
    20,935.24/31,403.02 = 7,093.96/x
  3. Step 3: Cross multiply
    20,935.24x = 31,403.02 × 7,093.96
  4. Step 4: Simplify right side
    20,935.24x = 222,771,767.76
  5. Step 5: Solve for x
    x = 222,771,767.76/20,935.24
  6. Step 6: Final answer
    x = 10,640.99

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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.