Home / 49,416.40-74,108.40-18,247.60

Finding the Fourth Proportional to 49,416.40, 74,108.40 and 18,247.60

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Solution

The fourth proportional to 49,416.40, 74,108.40 and 18,247.60 is: 27,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.40 : 74,108.40 = 18,247.60 : x
  2. Step 2: Convert to fraction form
    49,416.40/74,108.40 = 18,247.60/x
  3. Step 3: Cross multiply
    49,416.40x = 74,108.40 × 18,247.60
  4. Step 4: Simplify right side
    49,416.40x = 1,352,300,439.84
  5. Step 5: Solve for x
    x = 1,352,300,439.84/49,416.40
  6. Step 6: Final answer
    x = 27,365.42

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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.