Home / 30,081.86-41,512.45-16,652.82

Finding the Fourth Proportional to 30,081.86, 41,512.45 and 16,652.82

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Solution

The fourth proportional to 30,081.86, 41,512.45 and 16,652.82 is: 22,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.86 : 41,512.45 = 16,652.82 : x
  2. Step 2: Convert to fraction form
    30,081.86/41,512.45 = 16,652.82/x
  3. Step 3: Cross multiply
    30,081.86x = 41,512.45 × 16,652.82
  4. Step 4: Simplify right side
    30,081.86x = 691,299,357.61
  5. Step 5: Solve for x
    x = 691,299,357.61/30,081.86
  6. Step 6: Final answer
    x = 22,980.61

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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.