Home / 54,231.90-74,839.45-30,358.77

Finding the Fourth Proportional to 54,231.90, 74,839.45 and 30,358.77

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Solution

The fourth proportional to 54,231.90, 74,839.45 and 30,358.77 is: 41,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.90 : 74,839.45 = 30,358.77 : x
  2. Step 2: Convert to fraction form
    54,231.90/74,839.45 = 30,358.77/x
  3. Step 3: Cross multiply
    54,231.90x = 74,839.45 × 30,358.77
  4. Step 4: Simplify right side
    54,231.90x = 2,272,033,497.68
  5. Step 5: Solve for x
    x = 2,272,033,497.68/54,231.90
  6. Step 6: Final answer
    x = 41,894.78

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1.5x scale

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.