Home / 45,538.65-67,850.11-42,992.16

Finding the Fourth Proportional to 45,538.65, 67,850.11 and 42,992.16

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Solution

The fourth proportional to 45,538.65, 67,850.11 and 42,992.16 is: 64,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.65 : 67,850.11 = 42,992.16 : x
  2. Step 2: Convert to fraction form
    45,538.65/67,850.11 = 42,992.16/x
  3. Step 3: Cross multiply
    45,538.65x = 67,850.11 × 42,992.16
  4. Step 4: Simplify right side
    45,538.65x = 2,917,022,584.44
  5. Step 5: Solve for x
    x = 2,917,022,584.44/45,538.65
  6. Step 6: Final answer
    x = 64,055.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.