Home / 49,420.20-74,169.26-18,264.36

Finding the Fourth Proportional to 49,420.20, 74,169.26 and 18,264.36

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Solution

The fourth proportional to 49,420.20, 74,169.26 and 18,264.36 is: 27,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.20 : 74,169.26 = 18,264.36 : x
  2. Step 2: Convert to fraction form
    49,420.20/74,169.26 = 18,264.36/x
  3. Step 3: Cross multiply
    49,420.20x = 74,169.26 × 18,264.36
  4. Step 4: Simplify right side
    49,420.20x = 1,354,654,065.57
  5. Step 5: Solve for x
    x = 1,354,654,065.57/49,420.20
  6. Step 6: Final answer
    x = 27,410.94

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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.