Home / 54,141.42-74,716.80-30,269.10

Finding the Fourth Proportional to 54,141.42, 74,716.80 and 30,269.10

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Solution

The fourth proportional to 54,141.42, 74,716.80 and 30,269.10 is: 41,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.42 : 74,716.80 = 30,269.10 : x
  2. Step 2: Convert to fraction form
    54,141.42/74,716.80 = 30,269.10/x
  3. Step 3: Cross multiply
    54,141.42x = 74,716.80 × 30,269.10
  4. Step 4: Simplify right side
    54,141.42x = 2,261,610,290.88
  5. Step 5: Solve for x
    x = 2,261,610,290.88/54,141.42
  6. Step 6: Final answer
    x = 41,772.28

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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.