Home / 53,895.75-74,376.07-30,028.15

Finding the Fourth Proportional to 53,895.75, 74,376.07 and 30,028.15

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Solution

The fourth proportional to 53,895.75, 74,376.07 and 30,028.15 is: 41,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.75 : 74,376.07 = 30,028.15 : x
  2. Step 2: Convert to fraction form
    53,895.75/74,376.07 = 30,028.15/x
  3. Step 3: Cross multiply
    53,895.75x = 74,376.07 × 30,028.15
  4. Step 4: Simplify right side
    53,895.75x = 2,233,375,786.37
  5. Step 5: Solve for x
    x = 2,233,375,786.37/53,895.75
  6. Step 6: Final answer
    x = 41,438.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.