Home / 45,399.35-67,899.87-40,436.69

Finding the Fourth Proportional to 45,399.35, 67,899.87 and 40,436.69

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Solution

The fourth proportional to 45,399.35, 67,899.87 and 40,436.69 is: 60,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.35 : 67,899.87 = 40,436.69 : x
  2. Step 2: Convert to fraction form
    45,399.35/67,899.87 = 40,436.69/x
  3. Step 3: Cross multiply
    45,399.35x = 67,899.87 × 40,436.69
  4. Step 4: Simplify right side
    45,399.35x = 2,745,645,654.73
  5. Step 5: Solve for x
    x = 2,745,645,654.73/45,399.35
  6. Step 6: Final answer
    x = 60,477.64

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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.