Home / 57,916.32-86,819.00-18,447.86

Finding the Fourth Proportional to 57,916.32, 86,819.00 and 18,447.86

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Solution

The fourth proportional to 57,916.32, 86,819.00 and 18,447.86 is: 27,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.32 : 86,819.00 = 18,447.86 : x
  2. Step 2: Convert to fraction form
    57,916.32/86,819.00 = 18,447.86/x
  3. Step 3: Cross multiply
    57,916.32x = 86,819.00 × 18,447.86
  4. Step 4: Simplify right side
    57,916.32x = 1,601,624,231.01
  5. Step 5: Solve for x
    x = 1,601,624,231.01/57,916.32
  6. Step 6: Final answer
    x = 27,654.11

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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.