Home / 30,118.82-41,565.57-16,691.54

Finding the Fourth Proportional to 30,118.82, 41,565.57 and 16,691.54

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Solution

The fourth proportional to 30,118.82, 41,565.57 and 16,691.54 is: 23,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.82 : 41,565.57 = 16,691.54 : x
  2. Step 2: Convert to fraction form
    30,118.82/41,565.57 = 16,691.54/x
  3. Step 3: Cross multiply
    30,118.82x = 41,565.57 × 16,691.54
  4. Step 4: Simplify right side
    30,118.82x = 693,793,374.28
  5. Step 5: Solve for x
    x = 693,793,374.28/30,118.82
  6. Step 6: Final answer
    x = 23,035.21

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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.