Home / 49,422.40-74,117.40-18,253.60

Finding the Fourth Proportional to 49,422.40, 74,117.40 and 18,253.60

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Solution

The fourth proportional to 49,422.40, 74,117.40 and 18,253.60 is: 27,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.40 : 74,117.40 = 18,253.60 : x
  2. Step 2: Convert to fraction form
    49,422.40/74,117.40 = 18,253.60/x
  3. Step 3: Cross multiply
    49,422.40x = 74,117.40 × 18,253.60
  4. Step 4: Simplify right side
    49,422.40x = 1,352,909,372.64
  5. Step 5: Solve for x
    x = 1,352,909,372.64/49,422.40
  6. Step 6: Final answer
    x = 27,374.42

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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.