Home / 54,419.49-81,604.62-19,360.08

Finding the Fourth Proportional to 54,419.49, 81,604.62 and 19,360.08

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Solution

The fourth proportional to 54,419.49, 81,604.62 and 19,360.08 is: 29,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.49 : 81,604.62 = 19,360.08 : x
  2. Step 2: Convert to fraction form
    54,419.49/81,604.62 = 19,360.08/x
  3. Step 3: Cross multiply
    54,419.49x = 81,604.62 × 19,360.08
  4. Step 4: Simplify right side
    54,419.49x = 1,579,871,971.57
  5. Step 5: Solve for x
    x = 1,579,871,971.57/54,419.49
  6. Step 6: Final answer
    x = 29,031.36

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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.