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Finding the Fourth Proportional to 63,539.88, 95,309.84 and 21,986.88

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Solution

The fourth proportional to 63,539.88, 95,309.84 and 21,986.88 is: 32,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.88 : 95,309.84 = 21,986.88 : x
  2. Step 2: Convert to fraction form
    63,539.88/95,309.84 = 21,986.88/x
  3. Step 3: Cross multiply
    63,539.88x = 95,309.84 × 21,986.88
  4. Step 4: Simplify right side
    63,539.88x = 2,095,566,014.90
  5. Step 5: Solve for x
    x = 2,095,566,014.90/63,539.88
  6. Step 6: Final answer
    x = 32,980.33

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1.5x scale

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.