Home / 54,118.40-74,682.81-29,919.26

Finding the Fourth Proportional to 54,118.40, 74,682.81 and 29,919.26

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Solution

The fourth proportional to 54,118.40, 74,682.81 and 29,919.26 is: 41,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.40 : 74,682.81 = 29,919.26 : x
  2. Step 2: Convert to fraction form
    54,118.40/74,682.81 = 29,919.26/x
  3. Step 3: Cross multiply
    54,118.40x = 74,682.81 × 29,919.26
  4. Step 4: Simplify right side
    54,118.40x = 2,234,454,409.92
  5. Step 5: Solve for x
    x = 2,234,454,409.92/54,118.40
  6. Step 6: Final answer
    x = 41,288.26

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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.