Home / 64,074.92-96,121.55-19,705.38

Finding the Fourth Proportional to 64,074.92, 96,121.55 and 19,705.38

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Solution

The fourth proportional to 64,074.92, 96,121.55 and 19,705.38 is: 29,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.92 : 96,121.55 = 19,705.38 : x
  2. Step 2: Convert to fraction form
    64,074.92/96,121.55 = 19,705.38/x
  3. Step 3: Cross multiply
    64,074.92x = 96,121.55 × 19,705.38
  4. Step 4: Simplify right side
    64,074.92x = 1,894,111,357.75
  5. Step 5: Solve for x
    x = 1,894,111,357.75/64,074.92
  6. Step 6: Final answer
    x = 29,560.89

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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.