Home / 71,269.14-98,353.45-39,441

Finding the Fourth Proportional to 71,269.14, 98,353.45 and 39,441

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Solution

The fourth proportional to 71,269.14, 98,353.45 and 39,441 is: 54,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269.14 : 98,353.45 = 39,441 : x
  2. Step 2: Convert to fraction form
    71,269.14/98,353.45 = 39,441/x
  3. Step 3: Cross multiply
    71,269.14x = 98,353.45 × 39,441
  4. Step 4: Simplify right side
    71,269.14x = 3,879,158,421.45
  5. Step 5: Solve for x
    x = 3,879,158,421.45/71,269.14
  6. Step 6: Final answer
    x = 54,429.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.