Home / 63,129.96-94,703.94-20,996.16

Finding the Fourth Proportional to 63,129.96, 94,703.94 and 20,996.16

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Solution

The fourth proportional to 63,129.96, 94,703.94 and 20,996.16 is: 31,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.96 : 94,703.94 = 20,996.16 : x
  2. Step 2: Convert to fraction form
    63,129.96/94,703.94 = 20,996.16/x
  3. Step 3: Cross multiply
    63,129.96x = 94,703.94 × 20,996.16
  4. Step 4: Simplify right side
    63,129.96x = 1,988,419,076.87
  5. Step 5: Solve for x
    x = 1,988,419,076.87/63,129.96
  6. Step 6: Final answer
    x = 31,497.23

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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.