Home / 63,110.94-94,667.24-20,991.03

Finding the Fourth Proportional to 63,110.94, 94,667.24 and 20,991.03

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Solution

The fourth proportional to 63,110.94, 94,667.24 and 20,991.03 is: 31,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,110.94 : 94,667.24 = 20,991.03 : x
  2. Step 2: Convert to fraction form
    63,110.94/94,667.24 = 20,991.03/x
  3. Step 3: Cross multiply
    63,110.94x = 94,667.24 × 20,991.03
  4. Step 4: Simplify right side
    63,110.94x = 1,987,162,874.86
  5. Step 5: Solve for x
    x = 1,987,162,874.86/63,110.94
  6. Step 6: Final answer
    x = 31,486.82

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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.