Home / 40,344.10-60,515.60-18,141.75

Finding the Fourth Proportional to 40,344.10, 60,515.60 and 18,141.75

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Solution

The fourth proportional to 40,344.10, 60,515.60 and 18,141.75 is: 27,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,344.10 : 60,515.60 = 18,141.75 : x
  2. Step 2: Convert to fraction form
    40,344.10/60,515.60 = 18,141.75/x
  3. Step 3: Cross multiply
    40,344.10x = 60,515.60 × 18,141.75
  4. Step 4: Simplify right side
    40,344.10x = 1,097,858,795.59
  5. Step 5: Solve for x
    x = 1,097,858,795.59/40,344.10
  6. Step 6: Final answer
    x = 27,212.38

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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.