Home / 54,055.56-81,087.64-19,003.08

Finding the Fourth Proportional to 54,055.56, 81,087.64 and 19,003.08

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Solution

The fourth proportional to 54,055.56, 81,087.64 and 19,003.08 is: 28,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.56 : 81,087.64 = 19,003.08 : x
  2. Step 2: Convert to fraction form
    54,055.56/81,087.64 = 19,003.08/x
  3. Step 3: Cross multiply
    54,055.56x = 81,087.64 × 19,003.08
  4. Step 4: Simplify right side
    54,055.56x = 1,540,914,909.93
  5. Step 5: Solve for x
    x = 1,540,914,909.93/54,055.56
  6. Step 6: Final answer
    x = 28,506.13

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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.