Home / 57,819.26-86,734.85-21,826.04

Finding the Fourth Proportional to 57,819.26, 86,734.85 and 21,826.04

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Solution

The fourth proportional to 57,819.26, 86,734.85 and 21,826.04 is: 32,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.26 : 86,734.85 = 21,826.04 : x
  2. Step 2: Convert to fraction form
    57,819.26/86,734.85 = 21,826.04/x
  3. Step 3: Cross multiply
    57,819.26x = 86,734.85 × 21,826.04
  4. Step 4: Simplify right side
    57,819.26x = 1,893,077,762.69
  5. Step 5: Solve for x
    x = 1,893,077,762.69/57,819.26
  6. Step 6: Final answer
    x = 32,741.30

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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.