Home / 57,160.22-78,819.48-39,012.98

Finding the Fourth Proportional to 57,160.22, 78,819.48 and 39,012.98

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Solution

The fourth proportional to 57,160.22, 78,819.48 and 39,012.98 is: 53,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,160.22 : 78,819.48 = 39,012.98 : x
  2. Step 2: Convert to fraction form
    57,160.22/78,819.48 = 39,012.98/x
  3. Step 3: Cross multiply
    57,160.22x = 78,819.48 × 39,012.98
  4. Step 4: Simplify right side
    57,160.22x = 3,074,982,402.75
  5. Step 5: Solve for x
    x = 3,074,982,402.75/57,160.22
  6. Step 6: Final answer
    x = 53,795.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.