Home / 20,825.70-31,242.60-6,035.10

Finding the Fourth Proportional to 20,825.70, 31,242.60 and 6,035.10

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Solution

The fourth proportional to 20,825.70, 31,242.60 and 6,035.10 is: 9,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.70 : 31,242.60 = 6,035.10 : x
  2. Step 2: Convert to fraction form
    20,825.70/31,242.60 = 6,035.10/x
  3. Step 3: Cross multiply
    20,825.70x = 31,242.60 × 6,035.10
  4. Step 4: Simplify right side
    20,825.70x = 188,552,215.26
  5. Step 5: Solve for x
    x = 188,552,215.26/20,825.70
  6. Step 6: Final answer
    x = 9,053.82

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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.