Home / 54,268.08-81,334.08-30,907.68

Finding the Fourth Proportional to 54,268.08, 81,334.08 and 30,907.68

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Solution

The fourth proportional to 54,268.08, 81,334.08 and 30,907.68 is: 46,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.08 : 81,334.08 = 30,907.68 : x
  2. Step 2: Convert to fraction form
    54,268.08/81,334.08 = 30,907.68/x
  3. Step 3: Cross multiply
    54,268.08x = 81,334.08 × 30,907.68
  4. Step 4: Simplify right side
    54,268.08x = 2,513,847,717.73
  5. Step 5: Solve for x
    x = 2,513,847,717.73/54,268.08
  6. Step 6: Final answer
    x = 46,322.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.