Home / 30,161.30-41,621.18-16,732.31

Finding the Fourth Proportional to 30,161.30, 41,621.18 and 16,732.31

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Solution

The fourth proportional to 30,161.30, 41,621.18 and 16,732.31 is: 23,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.30 : 41,621.18 = 16,732.31 : x
  2. Step 2: Convert to fraction form
    30,161.30/41,621.18 = 16,732.31/x
  3. Step 3: Cross multiply
    30,161.30x = 41,621.18 × 16,732.31
  4. Step 4: Simplify right side
    30,161.30x = 696,418,194.56
  5. Step 5: Solve for x
    x = 696,418,194.56/30,161.30
  6. Step 6: Final answer
    x = 23,089.80

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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.