Home / 49,531.32-74,316.42-18,388.44

Finding the Fourth Proportional to 49,531.32, 74,316.42 and 18,388.44

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Solution

The fourth proportional to 49,531.32, 74,316.42 and 18,388.44 is: 27,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531.32 : 74,316.42 = 18,388.44 : x
  2. Step 2: Convert to fraction form
    49,531.32/74,316.42 = 18,388.44/x
  3. Step 3: Cross multiply
    49,531.32x = 74,316.42 × 18,388.44
  4. Step 4: Simplify right side
    49,531.32x = 1,366,563,030.18
  5. Step 5: Solve for x
    x = 1,366,563,030.18/49,531.32
  6. Step 6: Final answer
    x = 27,589.88

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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.