Home / 51,629.84-77,449.38-20,039.16

Finding the Fourth Proportional to 51,629.84, 77,449.38 and 20,039.16

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Solution

The fourth proportional to 51,629.84, 77,449.38 and 20,039.16 is: 30,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,629.84 : 77,449.38 = 20,039.16 : x
  2. Step 2: Convert to fraction form
    51,629.84/77,449.38 = 20,039.16/x
  3. Step 3: Cross multiply
    51,629.84x = 77,449.38 × 20,039.16
  4. Step 4: Simplify right side
    51,629.84x = 1,552,020,517.72
  5. Step 5: Solve for x
    x = 1,552,020,517.72/51,629.84
  6. Step 6: Final answer
    x = 30,060.53

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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.