Home / 54,099.26-81,142.60-14,659.35

Finding the Fourth Proportional to 54,099.26, 81,142.60 and 14,659.35

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Solution

The fourth proportional to 54,099.26, 81,142.60 and 14,659.35 is: 21,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.26 : 81,142.60 = 14,659.35 : x
  2. Step 2: Convert to fraction form
    54,099.26/81,142.60 = 14,659.35/x
  3. Step 3: Cross multiply
    54,099.26x = 81,142.60 × 14,659.35
  4. Step 4: Simplify right side
    54,099.26x = 1,189,497,773.31
  5. Step 5: Solve for x
    x = 1,189,497,773.31/54,099.26
  6. Step 6: Final answer
    x = 21,987.32

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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.