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Finding the Fourth Proportional to 63,987.03, 95,998.98 and 19,620.32

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Solution

The fourth proportional to 63,987.03, 95,998.98 and 19,620.32 is: 29,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.03 : 95,998.98 = 19,620.32 : x
  2. Step 2: Convert to fraction form
    63,987.03/95,998.98 = 19,620.32/x
  3. Step 3: Cross multiply
    63,987.03x = 95,998.98 × 19,620.32
  4. Step 4: Simplify right side
    63,987.03x = 1,883,530,707.27
  5. Step 5: Solve for x
    x = 1,883,530,707.27/63,987.03
  6. Step 6: Final answer
    x = 29,436.13

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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.