Home / 54,180.56-74,774.79-31,211.18

Finding the Fourth Proportional to 54,180.56, 74,774.79 and 31,211.18

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Solution

The fourth proportional to 54,180.56, 74,774.79 and 31,211.18 is: 43,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.56 : 74,774.79 = 31,211.18 : x
  2. Step 2: Convert to fraction form
    54,180.56/74,774.79 = 31,211.18/x
  3. Step 3: Cross multiply
    54,180.56x = 74,774.79 × 31,211.18
  4. Step 4: Simplify right side
    54,180.56x = 2,333,809,056.28
  5. Step 5: Solve for x
    x = 2,333,809,056.28/54,180.56
  6. Step 6: Final answer
    x = 43,074.66

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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.