Home / 43,181.50-64,744.42-18,214.87

Finding the Fourth Proportional to 43,181.50, 64,744.42 and 18,214.87

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Solution

The fourth proportional to 43,181.50, 64,744.42 and 18,214.87 is: 27,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181.50 : 64,744.42 = 18,214.87 : x
  2. Step 2: Convert to fraction form
    43,181.50/64,744.42 = 18,214.87/x
  3. Step 3: Cross multiply
    43,181.50x = 64,744.42 × 18,214.87
  4. Step 4: Simplify right side
    43,181.50x = 1,179,311,193.53
  5. Step 5: Solve for x
    x = 1,179,311,193.53/43,181.50
  6. Step 6: Final answer
    x = 27,310.57

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1.5x scale

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.