Home / 20,840.28-31,263.51-6,049.32

Finding the Fourth Proportional to 20,840.28, 31,263.51 and 6,049.32

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Solution

The fourth proportional to 20,840.28, 31,263.51 and 6,049.32 is: 9,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.28 : 31,263.51 = 6,049.32 : x
  2. Step 2: Convert to fraction form
    20,840.28/31,263.51 = 6,049.32/x
  3. Step 3: Cross multiply
    20,840.28x = 31,263.51 × 6,049.32
  4. Step 4: Simplify right side
    20,840.28x = 189,122,976.31
  5. Step 5: Solve for x
    x = 189,122,976.31/20,840.28
  6. Step 6: Final answer
    x = 9,074.88

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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.