Home / 54,329.44-74,975.18-30,130.88

Finding the Fourth Proportional to 54,329.44, 74,975.18 and 30,130.88

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Solution

The fourth proportional to 54,329.44, 74,975.18 and 30,130.88 is: 41,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.44 : 74,975.18 = 30,130.88 : x
  2. Step 2: Convert to fraction form
    54,329.44/74,975.18 = 30,130.88/x
  3. Step 3: Cross multiply
    54,329.44x = 74,975.18 × 30,130.88
  4. Step 4: Simplify right side
    54,329.44x = 2,259,067,626.03
  5. Step 5: Solve for x
    x = 2,259,067,626.03/54,329.44
  6. Step 6: Final answer
    x = 41,580.91

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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.