Home / 31,765.98-47,665.20-14,009.04

Finding the Fourth Proportional to 31,765.98, 47,665.20 and 14,009.04

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Solution

The fourth proportional to 31,765.98, 47,665.20 and 14,009.04 is: 21,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.98 : 47,665.20 = 14,009.04 : x
  2. Step 2: Convert to fraction form
    31,765.98/47,665.20 = 14,009.04/x
  3. Step 3: Cross multiply
    31,765.98x = 47,665.20 × 14,009.04
  4. Step 4: Simplify right side
    31,765.98x = 667,743,693.41
  5. Step 5: Solve for x
    x = 667,743,693.41/31,765.98
  6. Step 6: Final answer
    x = 21,020.72

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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.