Home / 54,282.24-74,904.48-30,409.92

Finding the Fourth Proportional to 54,282.24, 74,904.48 and 30,409.92

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Solution

The fourth proportional to 54,282.24, 74,904.48 and 30,409.92 is: 41,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.24 : 74,904.48 = 30,409.92 : x
  2. Step 2: Convert to fraction form
    54,282.24/74,904.48 = 30,409.92/x
  3. Step 3: Cross multiply
    54,282.24x = 74,904.48 × 30,409.92
  4. Step 4: Simplify right side
    54,282.24x = 2,277,839,244.44
  5. Step 5: Solve for x
    x = 2,277,839,244.44/54,282.24
  6. Step 6: Final answer
    x = 41,962.88

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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.