Home / 31,764.96-47,659.11-13,039.94

Finding the Fourth Proportional to 31,764.96, 47,659.11 and 13,039.94

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Solution

The fourth proportional to 31,764.96, 47,659.11 and 13,039.94 is: 19,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.96 : 47,659.11 = 13,039.94 : x
  2. Step 2: Convert to fraction form
    31,764.96/47,659.11 = 13,039.94/x
  3. Step 3: Cross multiply
    31,764.96x = 47,659.11 × 13,039.94
  4. Step 4: Simplify right side
    31,764.96x = 621,471,773.69
  5. Step 5: Solve for x
    x = 621,471,773.69/31,764.96
  6. Step 6: Final answer
    x = 19,564.70

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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.