Home / 63,961.20-95,941.80-19,587.60

Finding the Fourth Proportional to 63,961.20, 95,941.80 and 19,587.60

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Solution

The fourth proportional to 63,961.20, 95,941.80 and 19,587.60 is: 29,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,961.20 : 95,941.80 = 19,587.60 : x
  2. Step 2: Convert to fraction form
    63,961.20/95,941.80 = 19,587.60/x
  3. Step 3: Cross multiply
    63,961.20x = 95,941.80 × 19,587.60
  4. Step 4: Simplify right side
    63,961.20x = 1,879,269,601.68
  5. Step 5: Solve for x
    x = 1,879,269,601.68/63,961.20
  6. Step 6: Final answer
    x = 29,381.40

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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.