Home / 31,540.30-47,253.04-18,352.68

Finding the Fourth Proportional to 31,540.30, 47,253.04 and 18,352.68

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Solution

The fourth proportional to 31,540.30, 47,253.04 and 18,352.68 is: 27,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.30 : 47,253.04 = 18,352.68 : x
  2. Step 2: Convert to fraction form
    31,540.30/47,253.04 = 18,352.68/x
  3. Step 3: Cross multiply
    31,540.30x = 47,253.04 × 18,352.68
  4. Step 4: Simplify right side
    31,540.30x = 867,219,922.15
  5. Step 5: Solve for x
    x = 867,219,922.15/31,540.30
  6. Step 6: Final answer
    x = 27,495.61

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1.5x scale

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.