Home / 54,174.06-81,198.72-20,877.48

Finding the Fourth Proportional to 54,174.06, 81,198.72 and 20,877.48

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Solution

The fourth proportional to 54,174.06, 81,198.72 and 20,877.48 is: 31,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.06 : 81,198.72 = 20,877.48 : x
  2. Step 2: Convert to fraction form
    54,174.06/81,198.72 = 20,877.48/x
  3. Step 3: Cross multiply
    54,174.06x = 81,198.72 × 20,877.48
  4. Step 4: Simplify right side
    54,174.06x = 1,695,224,652.83
  5. Step 5: Solve for x
    x = 1,695,224,652.83/54,174.06
  6. Step 6: Final answer
    x = 31,292.18

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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.