Home / 54,180.68-74,774.97-31,211.30

Finding the Fourth Proportional to 54,180.68, 74,774.97 and 31,211.30

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Solution

The fourth proportional to 54,180.68, 74,774.97 and 31,211.30 is: 43,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.68 : 74,774.97 = 31,211.30 : x
  2. Step 2: Convert to fraction form
    54,180.68/74,774.97 = 31,211.30/x
  3. Step 3: Cross multiply
    54,180.68x = 74,774.97 × 31,211.30
  4. Step 4: Simplify right side
    54,180.68x = 2,333,824,085.58
  5. Step 5: Solve for x
    x = 2,333,824,085.58/54,180.68
  6. Step 6: Final answer
    x = 43,074.84

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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.