Home / 31,906.11-47,829.58-14,127.29

Finding the Fourth Proportional to 31,906.11, 47,829.58 and 14,127.29

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Solution

The fourth proportional to 31,906.11, 47,829.58 and 14,127.29 is: 21,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.11 : 47,829.58 = 14,127.29 : x
  2. Step 2: Convert to fraction form
    31,906.11/47,829.58 = 14,127.29/x
  3. Step 3: Cross multiply
    31,906.11x = 47,829.58 × 14,127.29
  4. Step 4: Simplify right side
    31,906.11x = 675,702,347.24
  5. Step 5: Solve for x
    x = 675,702,347.24/31,906.11
  6. Step 6: Final answer
    x = 21,177.84

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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.