Home / 54,617.26-81,933.95-27,978.31

Finding the Fourth Proportional to 54,617.26, 81,933.95 and 27,978.31

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Solution

The fourth proportional to 54,617.26, 81,933.95 and 27,978.31 is: 41,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,617.26 : 81,933.95 = 27,978.31 : x
  2. Step 2: Convert to fraction form
    54,617.26/81,933.95 = 27,978.31/x
  3. Step 3: Cross multiply
    54,617.26x = 81,933.95 × 27,978.31
  4. Step 4: Simplify right side
    54,617.26x = 2,292,373,452.62
  5. Step 5: Solve for x
    x = 2,292,373,452.62/54,617.26
  6. Step 6: Final answer
    x = 41,971.60

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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.