Home / 51,949.22-77,916.74-18,664.49

Finding the Fourth Proportional to 51,949.22, 77,916.74 and 18,664.49

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Solution

The fourth proportional to 51,949.22, 77,916.74 and 18,664.49 is: 27,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.22 : 77,916.74 = 18,664.49 : x
  2. Step 2: Convert to fraction form
    51,949.22/77,916.74 = 18,664.49/x
  3. Step 3: Cross multiply
    51,949.22x = 77,916.74 × 18,664.49
  4. Step 4: Simplify right side
    51,949.22x = 1,454,276,316.03
  5. Step 5: Solve for x
    x = 1,454,276,316.03/51,949.22
  6. Step 6: Final answer
    x = 27,994.19

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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.