Home / 40,742.53-61,113.84-11,160.62

Finding the Fourth Proportional to 40,742.53, 61,113.84 and 11,160.62

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Solution

The fourth proportional to 40,742.53, 61,113.84 and 11,160.62 is: 16,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.53 : 61,113.84 = 11,160.62 : x
  2. Step 2: Convert to fraction form
    40,742.53/61,113.84 = 11,160.62/x
  3. Step 3: Cross multiply
    40,742.53x = 61,113.84 × 11,160.62
  4. Step 4: Simplify right side
    40,742.53x = 682,068,344.98
  5. Step 5: Solve for x
    x = 682,068,344.98/40,742.53
  6. Step 6: Final answer
    x = 16,740.94

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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.