Home / 63,834.30-95,730.86-21,131.76

Finding the Fourth Proportional to 63,834.30, 95,730.86 and 21,131.76

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Solution

The fourth proportional to 63,834.30, 95,730.86 and 21,131.76 is: 31,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,834.30 : 95,730.86 = 21,131.76 : x
  2. Step 2: Convert to fraction form
    63,834.30/95,730.86 = 21,131.76/x
  3. Step 3: Cross multiply
    63,834.30x = 95,730.86 × 21,131.76
  4. Step 4: Simplify right side
    63,834.30x = 2,022,961,452.45
  5. Step 5: Solve for x
    x = 2,022,961,452.45/63,834.30
  6. Step 6: Final answer
    x = 31,690.82

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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.