Home / 67,184.22-100,790.91-20,435.88

Finding the Fourth Proportional to 67,184.22, 100,790.91 and 20,435.88

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Solution

The fourth proportional to 67,184.22, 100,790.91 and 20,435.88 is: 30,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,184.22 : 100,790.91 = 20,435.88 : x
  2. Step 2: Convert to fraction form
    67,184.22/100,790.91 = 20,435.88/x
  3. Step 3: Cross multiply
    67,184.22x = 100,790.91 × 20,435.88
  4. Step 4: Simplify right side
    67,184.22x = 2,059,750,916.31
  5. Step 5: Solve for x
    x = 2,059,750,916.31/67,184.22
  6. Step 6: Final answer
    x = 30,658.25

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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.