Home / 54,050.55-81,080.14-18,998.07

Finding the Fourth Proportional to 54,050.55, 81,080.14 and 18,998.07

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Solution

The fourth proportional to 54,050.55, 81,080.14 and 18,998.07 is: 28,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,050.55 : 81,080.14 = 18,998.07 : x
  2. Step 2: Convert to fraction form
    54,050.55/81,080.14 = 18,998.07/x
  3. Step 3: Cross multiply
    54,050.55x = 81,080.14 × 18,998.07
  4. Step 4: Simplify right side
    54,050.55x = 1,540,366,175.33
  5. Step 5: Solve for x
    x = 1,540,366,175.33/54,050.55
  6. Step 6: Final answer
    x = 28,498.62

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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.