Home / 31,719.17-47,560.32-11,999.27

Finding the Fourth Proportional to 31,719.17, 47,560.32 and 11,999.27

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Solution

The fourth proportional to 31,719.17, 47,560.32 and 11,999.27 is: 17,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.17 : 47,560.32 = 11,999.27 : x
  2. Step 2: Convert to fraction form
    31,719.17/47,560.32 = 11,999.27/x
  3. Step 3: Cross multiply
    31,719.17x = 47,560.32 × 11,999.27
  4. Step 4: Simplify right side
    31,719.17x = 570,689,239.87
  5. Step 5: Solve for x
    x = 570,689,239.87/31,719.17
  6. Step 6: Final answer
    x = 17,991.93

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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.