Home / 54,247.12-74,859.66-30,375.32

Finding the Fourth Proportional to 54,247.12, 74,859.66 and 30,375.32

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Solution

The fourth proportional to 54,247.12, 74,859.66 and 30,375.32 is: 41,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,247.12 : 74,859.66 = 30,375.32 : x
  2. Step 2: Convert to fraction form
    54,247.12/74,859.66 = 30,375.32/x
  3. Step 3: Cross multiply
    54,247.12x = 74,859.66 × 30,375.32
  4. Step 4: Simplify right side
    54,247.12x = 2,273,886,127.59
  5. Step 5: Solve for x
    x = 2,273,886,127.59/54,247.12
  6. Step 6: Final answer
    x = 41,917.18

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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.