Home / 54,253.32-81,392.67-16,811.43

Finding the Fourth Proportional to 54,253.32, 81,392.67 and 16,811.43

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Solution

The fourth proportional to 54,253.32, 81,392.67 and 16,811.43 is: 25,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.32 : 81,392.67 = 16,811.43 : x
  2. Step 2: Convert to fraction form
    54,253.32/81,392.67 = 16,811.43/x
  3. Step 3: Cross multiply
    54,253.32x = 81,392.67 × 16,811.43
  4. Step 4: Simplify right side
    54,253.32x = 1,368,327,174.22
  5. Step 5: Solve for x
    x = 1,368,327,174.22/54,253.32
  6. Step 6: Final answer
    x = 25,221.08

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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.