Home / 65,198.08-97,788.90-20,829.52

Finding the Fourth Proportional to 65,198.08, 97,788.90 and 20,829.52

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Solution

The fourth proportional to 65,198.08, 97,788.90 and 20,829.52 is: 31,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,198.08 : 97,788.90 = 20,829.52 : x
  2. Step 2: Convert to fraction form
    65,198.08/97,788.90 = 20,829.52/x
  3. Step 3: Cross multiply
    65,198.08x = 97,788.90 × 20,829.52
  4. Step 4: Simplify right side
    65,198.08x = 2,036,895,848.33
  5. Step 5: Solve for x
    x = 2,036,895,848.33/65,198.08
  6. Step 6: Final answer
    x = 31,241.65

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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.