Home / 54,169.68-81,261.24-19,102.32

Finding the Fourth Proportional to 54,169.68, 81,261.24 and 19,102.32

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Solution

The fourth proportional to 54,169.68, 81,261.24 and 19,102.32 is: 28,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.68 : 81,261.24 = 19,102.32 : x
  2. Step 2: Convert to fraction form
    54,169.68/81,261.24 = 19,102.32/x
  3. Step 3: Cross multiply
    54,169.68x = 81,261.24 × 19,102.32
  4. Step 4: Simplify right side
    54,169.68x = 1,552,278,210.08
  5. Step 5: Solve for x
    x = 1,552,278,210.08/54,169.68
  6. Step 6: Final answer
    x = 28,655.85

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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.