Home / 31,845.99-47,769.10-9,659.56

Finding the Fourth Proportional to 31,845.99, 47,769.10 and 9,659.56

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Solution

The fourth proportional to 31,845.99, 47,769.10 and 9,659.56 is: 14,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.99 : 47,769.10 = 9,659.56 : x
  2. Step 2: Convert to fraction form
    31,845.99/47,769.10 = 9,659.56/x
  3. Step 3: Cross multiply
    31,845.99x = 47,769.10 × 9,659.56
  4. Step 4: Simplify right side
    31,845.99x = 461,428,344.02
  5. Step 5: Solve for x
    x = 461,428,344.02/31,845.99
  6. Step 6: Final answer
    x = 14,489.37

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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.