Home / 31,945.06-47,909.98-14,165.97

Finding the Fourth Proportional to 31,945.06, 47,909.98 and 14,165.97

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Solution

The fourth proportional to 31,945.06, 47,909.98 and 14,165.97 is: 21,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.06 : 47,909.98 = 14,165.97 : x
  2. Step 2: Convert to fraction form
    31,945.06/47,909.98 = 14,165.97/x
  3. Step 3: Cross multiply
    31,945.06x = 47,909.98 × 14,165.97
  4. Step 4: Simplify right side
    31,945.06x = 678,691,339.38
  5. Step 5: Solve for x
    x = 678,691,339.38/31,945.06
  6. Step 6: Final answer
    x = 21,245.58

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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.