Home / 31,161.44-43,006.56-17,735.96

Finding the Fourth Proportional to 31,161.44, 43,006.56 and 17,735.96

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Solution

The fourth proportional to 31,161.44, 43,006.56 and 17,735.96 is: 24,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.44 : 43,006.56 = 17,735.96 : x
  2. Step 2: Convert to fraction form
    31,161.44/43,006.56 = 17,735.96/x
  3. Step 3: Cross multiply
    31,161.44x = 43,006.56 × 17,735.96
  4. Step 4: Simplify right side
    31,161.44x = 762,762,627.90
  5. Step 5: Solve for x
    x = 762,762,627.90/31,161.44
  6. Step 6: Final answer
    x = 24,477.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.