Home / 63,221.16-94,799.88-21,086.64

Finding the Fourth Proportional to 63,221.16, 94,799.88 and 21,086.64

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Solution

The fourth proportional to 63,221.16, 94,799.88 and 21,086.64 is: 31,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,221.16 : 94,799.88 = 21,086.64 : x
  2. Step 2: Convert to fraction form
    63,221.16/94,799.88 = 21,086.64/x
  3. Step 3: Cross multiply
    63,221.16x = 94,799.88 × 21,086.64
  4. Step 4: Simplify right side
    63,221.16x = 1,999,010,941.60
  5. Step 5: Solve for x
    x = 1,999,010,941.60/63,221.16
  6. Step 6: Final answer
    x = 31,619.33

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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.