Home / 20,695.32-31,033.88-5,900.88

Finding the Fourth Proportional to 20,695.32, 31,033.88 and 5,900.88

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Solution

The fourth proportional to 20,695.32, 31,033.88 and 5,900.88 is: 8,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.32 : 31,033.88 = 5,900.88 : x
  2. Step 2: Convert to fraction form
    20,695.32/31,033.88 = 5,900.88/x
  3. Step 3: Cross multiply
    20,695.32x = 31,033.88 × 5,900.88
  4. Step 4: Simplify right side
    20,695.32x = 183,127,201.81
  5. Step 5: Solve for x
    x = 183,127,201.81/20,695.32
  6. Step 6: Final answer
    x = 8,848.73

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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.