Home / 49,837.63-74,690.83-20,239.32

Finding the Fourth Proportional to 49,837.63, 74,690.83 and 20,239.32

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Solution

The fourth proportional to 49,837.63, 74,690.83 and 20,239.32 is: 30,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,837.63 : 74,690.83 = 20,239.32 : x
  2. Step 2: Convert to fraction form
    49,837.63/74,690.83 = 20,239.32/x
  3. Step 3: Cross multiply
    49,837.63x = 74,690.83 × 20,239.32
  4. Step 4: Simplify right side
    49,837.63x = 1,511,691,551.61
  5. Step 5: Solve for x
    x = 1,511,691,551.61/49,837.63
  6. Step 6: Final answer
    x = 30,332.33

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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.