Home / 49,371.61-74,068.37-19,388.74

Finding the Fourth Proportional to 49,371.61, 74,068.37 and 19,388.74

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Solution

The fourth proportional to 49,371.61, 74,068.37 and 19,388.74 is: 29,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.61 : 74,068.37 = 19,388.74 : x
  2. Step 2: Convert to fraction form
    49,371.61/74,068.37 = 19,388.74/x
  3. Step 3: Cross multiply
    49,371.61x = 74,068.37 × 19,388.74
  4. Step 4: Simplify right side
    49,371.61x = 1,436,092,416.63
  5. Step 5: Solve for x
    x = 1,436,092,416.63/49,371.61
  6. Step 6: Final answer
    x = 29,087.41

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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.