Home / 54,119.40-74,684.19-29,920.26

Finding the Fourth Proportional to 54,119.40, 74,684.19 and 29,920.26

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Solution

The fourth proportional to 54,119.40, 74,684.19 and 29,920.26 is: 41,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.40 : 74,684.19 = 29,920.26 : x
  2. Step 2: Convert to fraction form
    54,119.40/74,684.19 = 29,920.26/x
  3. Step 3: Cross multiply
    54,119.40x = 74,684.19 × 29,920.26
  4. Step 4: Simplify right side
    54,119.40x = 2,234,570,382.69
  5. Step 5: Solve for x
    x = 2,234,570,382.69/54,119.40
  6. Step 6: Final answer
    x = 41,289.64

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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.