Home / 38,221.86-57,310.50-14,820.96

Finding the Fourth Proportional to 38,221.86, 57,310.50 and 14,820.96

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Solution

The fourth proportional to 38,221.86, 57,310.50 and 14,820.96 is: 22,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.86 : 57,310.50 = 14,820.96 : x
  2. Step 2: Convert to fraction form
    38,221.86/57,310.50 = 14,820.96/x
  3. Step 3: Cross multiply
    38,221.86x = 57,310.50 × 14,820.96
  4. Step 4: Simplify right side
    38,221.86x = 849,396,628.08
  5. Step 5: Solve for x
    x = 849,396,628.08/38,221.86
  6. Step 6: Final answer
    x = 22,222.80

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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.