Home / 54,342.58-74,991.80-30,469.18

Finding the Fourth Proportional to 54,342.58, 74,991.80 and 30,469.18

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Solution

The fourth proportional to 54,342.58, 74,991.80 and 30,469.18 is: 42,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,342.58 : 74,991.80 = 30,469.18 : x
  2. Step 2: Convert to fraction form
    54,342.58/74,991.80 = 30,469.18/x
  3. Step 3: Cross multiply
    54,342.58x = 74,991.80 × 30,469.18
  4. Step 4: Simplify right side
    54,342.58x = 2,284,938,652.72
  5. Step 5: Solve for x
    x = 2,284,938,652.72/54,342.58
  6. Step 6: Final answer
    x = 42,046.93

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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.