Home / 31,751.97-47,610.93-10,685.00

Finding the Fourth Proportional to 31,751.97, 47,610.93 and 10,685.00

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Solution

The fourth proportional to 31,751.97, 47,610.93 and 10,685.00 is: 16,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.97 : 47,610.93 = 10,685.00 : x
  2. Step 2: Convert to fraction form
    31,751.97/47,610.93 = 10,685.00/x
  3. Step 3: Cross multiply
    31,751.97x = 47,610.93 × 10,685.00
  4. Step 4: Simplify right side
    31,751.97x = 508,722,946.15
  5. Step 5: Solve for x
    x = 508,722,946.15/31,751.97
  6. Step 6: Final answer
    x = 16,021.78

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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.