Home / 63,129.08-94,673.10-20,997.84

Finding the Fourth Proportional to 63,129.08, 94,673.10 and 20,997.84

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Solution

The fourth proportional to 63,129.08, 94,673.10 and 20,997.84 is: 31,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.08 : 94,673.10 = 20,997.84 : x
  2. Step 2: Convert to fraction form
    63,129.08/94,673.10 = 20,997.84/x
  3. Step 3: Cross multiply
    63,129.08x = 94,673.10 × 20,997.84
  4. Step 4: Simplify right side
    63,129.08x = 1,987,930,606.10
  5. Step 5: Solve for x
    x = 1,987,930,606.10/63,129.08
  6. Step 6: Final answer
    x = 31,489.93

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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.