Home / 57,862.49-86,794.46-18,419.45

Finding the Fourth Proportional to 57,862.49, 86,794.46 and 18,419.45

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Solution

The fourth proportional to 57,862.49, 86,794.46 and 18,419.45 is: 27,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.49 : 86,794.46 = 18,419.45 : x
  2. Step 2: Convert to fraction form
    57,862.49/86,794.46 = 18,419.45/x
  3. Step 3: Cross multiply
    57,862.49x = 86,794.46 × 18,419.45
  4. Step 4: Simplify right side
    57,862.49x = 1,598,706,124.15
  5. Step 5: Solve for x
    x = 1,598,706,124.15/57,862.49
  6. Step 6: Final answer
    x = 27,629.40

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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.