Home / 67,179.96-100,631.66-39,411

Finding the Fourth Proportional to 67,179.96, 100,631.66 and 39,411

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Solution

The fourth proportional to 67,179.96, 100,631.66 and 39,411 is: 59,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,179.96 : 100,631.66 = 39,411 : x
  2. Step 2: Convert to fraction form
    67,179.96/100,631.66 = 39,411/x
  3. Step 3: Cross multiply
    67,179.96x = 100,631.66 × 39,411
  4. Step 4: Simplify right side
    67,179.96x = 3,965,994,352.26
  5. Step 5: Solve for x
    x = 3,965,994,352.26/67,179.96
  6. Step 6: Final answer
    x = 59,035.38

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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.