Home / 31,946.91-47,917.03-14,177.88

Finding the Fourth Proportional to 31,946.91, 47,917.03 and 14,177.88

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Solution

The fourth proportional to 31,946.91, 47,917.03 and 14,177.88 is: 21,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.91 : 47,917.03 = 14,177.88 : x
  2. Step 2: Convert to fraction form
    31,946.91/47,917.03 = 14,177.88/x
  3. Step 3: Cross multiply
    31,946.91x = 47,917.03 × 14,177.88
  4. Step 4: Simplify right side
    31,946.91x = 679,361,901.30
  5. Step 5: Solve for x
    x = 679,361,901.30/31,946.91
  6. Step 6: Final answer
    x = 21,265.34

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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.