Home / 57,269.41-85,883.52-19,819.32

Finding the Fourth Proportional to 57,269.41, 85,883.52 and 19,819.32

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Solution

The fourth proportional to 57,269.41, 85,883.52 and 19,819.32 is: 29,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.41 : 85,883.52 = 19,819.32 : x
  2. Step 2: Convert to fraction form
    57,269.41/85,883.52 = 19,819.32/x
  3. Step 3: Cross multiply
    57,269.41x = 85,883.52 × 19,819.32
  4. Step 4: Simplify right side
    57,269.41x = 1,702,152,717.87
  5. Step 5: Solve for x
    x = 1,702,152,717.87/57,269.41
  6. Step 6: Final answer
    x = 29,721.85

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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.