Home / 31,991.00-47,941.39-15,105.99

Finding the Fourth Proportional to 31,991.00, 47,941.39 and 15,105.99

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Solution

The fourth proportional to 31,991.00, 47,941.39 and 15,105.99 is: 22,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,991.00 : 47,941.39 = 15,105.99 : x
  2. Step 2: Convert to fraction form
    31,991.00/47,941.39 = 15,105.99/x
  3. Step 3: Cross multiply
    31,991.00x = 47,941.39 × 15,105.99
  4. Step 4: Simplify right side
    31,991.00x = 724,202,157.93
  5. Step 5: Solve for x
    x = 724,202,157.93/31,991.00
  6. Step 6: Final answer
    x = 22,637.69

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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.