Home / 30,161.31-45,195.82-16,123.33

Finding the Fourth Proportional to 30,161.31, 45,195.82 and 16,123.33

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Solution

The fourth proportional to 30,161.31, 45,195.82 and 16,123.33 is: 24,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.31 : 45,195.82 = 16,123.33 : x
  2. Step 2: Convert to fraction form
    30,161.31/45,195.82 = 16,123.33/x
  3. Step 3: Cross multiply
    30,161.31x = 45,195.82 × 16,123.33
  4. Step 4: Simplify right side
    30,161.31x = 728,707,120.48
  5. Step 5: Solve for x
    x = 728,707,120.48/30,161.31
  6. Step 6: Final answer
    x = 24,160.33

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1.5x scale

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.