Home / 45,356.07-68,046.57-13,767.15

Finding the Fourth Proportional to 45,356.07, 68,046.57 and 13,767.15

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Solution

The fourth proportional to 45,356.07, 68,046.57 and 13,767.15 is: 20,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.07 : 68,046.57 = 13,767.15 : x
  2. Step 2: Convert to fraction form
    45,356.07/68,046.57 = 13,767.15/x
  3. Step 3: Cross multiply
    45,356.07x = 68,046.57 × 13,767.15
  4. Step 4: Simplify right side
    45,356.07x = 936,807,336.18
  5. Step 5: Solve for x
    x = 936,807,336.18/45,356.07
  6. Step 6: Final answer
    x = 20,654.51

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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.