Home / 20,822.85-31,239.27-6,032.79

Finding the Fourth Proportional to 20,822.85, 31,239.27 and 6,032.79

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Solution

The fourth proportional to 20,822.85, 31,239.27 and 6,032.79 is: 9,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822.85 : 31,239.27 = 6,032.79 : x
  2. Step 2: Convert to fraction form
    20,822.85/31,239.27 = 6,032.79/x
  3. Step 3: Cross multiply
    20,822.85x = 31,239.27 × 6,032.79
  4. Step 4: Simplify right side
    20,822.85x = 188,459,955.66
  5. Step 5: Solve for x
    x = 188,459,955.66/20,822.85
  6. Step 6: Final answer
    x = 9,050.63

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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.