Home / 57,916.82-86,819.74-18,448.36

Finding the Fourth Proportional to 57,916.82, 86,819.74 and 18,448.36

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Solution

The fourth proportional to 57,916.82, 86,819.74 and 18,448.36 is: 27,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.82 : 86,819.74 = 18,448.36 : x
  2. Step 2: Convert to fraction form
    57,916.82/86,819.74 = 18,448.36/x
  3. Step 3: Cross multiply
    57,916.82x = 86,819.74 × 18,448.36
  4. Step 4: Simplify right side
    57,916.82x = 1,601,681,818.63
  5. Step 5: Solve for x
    x = 1,601,681,818.63/57,916.82
  6. Step 6: Final answer
    x = 27,654.86

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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.