Home / 63,405.45-95,104.91-21,285.86

Finding the Fourth Proportional to 63,405.45, 95,104.91 and 21,285.86

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Solution

The fourth proportional to 63,405.45, 95,104.91 and 21,285.86 is: 31,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,405.45 : 95,104.91 = 21,285.86 : x
  2. Step 2: Convert to fraction form
    63,405.45/95,104.91 = 21,285.86/x
  3. Step 3: Cross multiply
    63,405.45x = 95,104.91 × 21,285.86
  4. Step 4: Simplify right side
    63,405.45x = 2,024,389,377.26
  5. Step 5: Solve for x
    x = 2,024,389,377.26/63,405.45
  6. Step 6: Final answer
    x = 31,927.69

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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.