Home / 54,134.29-74,705.07-30,260.80

Finding the Fourth Proportional to 54,134.29, 74,705.07 and 30,260.80

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Solution

The fourth proportional to 54,134.29, 74,705.07 and 30,260.80 is: 41,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134.29 : 74,705.07 = 30,260.80 : x
  2. Step 2: Convert to fraction form
    54,134.29/74,705.07 = 30,260.80/x
  3. Step 3: Cross multiply
    54,134.29x = 74,705.07 × 30,260.80
  4. Step 4: Simplify right side
    54,134.29x = 2,260,635,182.26
  5. Step 5: Solve for x
    x = 2,260,635,182.26/54,134.29
  6. Step 6: Final answer
    x = 41,759.76

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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.