Home / 45,382.57-68,077.44-13,795.38

Finding the Fourth Proportional to 45,382.57, 68,077.44 and 13,795.38

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Solution

The fourth proportional to 45,382.57, 68,077.44 and 13,795.38 is: 20,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.57 : 68,077.44 = 13,795.38 : x
  2. Step 2: Convert to fraction form
    45,382.57/68,077.44 = 13,795.38/x
  3. Step 3: Cross multiply
    45,382.57x = 68,077.44 × 13,795.38
  4. Step 4: Simplify right side
    45,382.57x = 939,153,744.86
  5. Step 5: Solve for x
    x = 939,153,744.86/45,382.57
  6. Step 6: Final answer
    x = 20,694.15

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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.