Home / 54,329.38-74,974.80-31,684.08

Finding the Fourth Proportional to 54,329.38, 74,974.80 and 31,684.08

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Solution

The fourth proportional to 54,329.38, 74,974.80 and 31,684.08 is: 43,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.38 : 74,974.80 = 31,684.08 : x
  2. Step 2: Convert to fraction form
    54,329.38/74,974.80 = 31,684.08/x
  3. Step 3: Cross multiply
    54,329.38x = 74,974.80 × 31,684.08
  4. Step 4: Simplify right side
    54,329.38x = 2,375,507,561.18
  5. Step 5: Solve for x
    x = 2,375,507,561.18/54,329.38
  6. Step 6: Final answer
    x = 43,724.18

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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.