Home / 31,983.60-47,975.52-9,796.89

Finding the Fourth Proportional to 31,983.60, 47,975.52 and 9,796.89

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Solution

The fourth proportional to 31,983.60, 47,975.52 and 9,796.89 is: 14,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.60 : 47,975.52 = 9,796.89 : x
  2. Step 2: Convert to fraction form
    31,983.60/47,975.52 = 9,796.89/x
  3. Step 3: Cross multiply
    31,983.60x = 47,975.52 × 9,796.89
  4. Step 4: Simplify right side
    31,983.60x = 470,010,892.13
  5. Step 5: Solve for x
    x = 470,010,892.13/31,983.60
  6. Step 6: Final answer
    x = 14,695.37

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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.