Home / 63,890.64-95,817.50-21,769.78

Finding the Fourth Proportional to 63,890.64, 95,817.50 and 21,769.78

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Solution

The fourth proportional to 63,890.64, 95,817.50 and 21,769.78 is: 32,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,890.64 : 95,817.50 = 21,769.78 : x
  2. Step 2: Convert to fraction form
    63,890.64/95,817.50 = 21,769.78/x
  3. Step 3: Cross multiply
    63,890.64x = 95,817.50 × 21,769.78
  4. Step 4: Simplify right side
    63,890.64x = 2,085,925,895.15
  5. Step 5: Solve for x
    x = 2,085,925,895.15/63,890.64
  6. Step 6: Final answer
    x = 32,648.38

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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.