Home / 31,634.46-47,455.38-14,102.10

Finding the Fourth Proportional to 31,634.46, 47,455.38 and 14,102.10

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Solution

The fourth proportional to 31,634.46, 47,455.38 and 14,102.10 is: 21,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.46 : 47,455.38 = 14,102.10 : x
  2. Step 2: Convert to fraction form
    31,634.46/47,455.38 = 14,102.10/x
  3. Step 3: Cross multiply
    31,634.46x = 47,455.38 × 14,102.10
  4. Step 4: Simplify right side
    31,634.46x = 669,220,514.30
  5. Step 5: Solve for x
    x = 669,220,514.30/31,634.46
  6. Step 6: Final answer
    x = 21,154.79

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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.