Home / 57,003.30-85,529.54-30,702.78

Finding the Fourth Proportional to 57,003.30, 85,529.54 and 30,702.78

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Solution

The fourth proportional to 57,003.30, 85,529.54 and 30,702.78 is: 46,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.30 : 85,529.54 = 30,702.78 : x
  2. Step 2: Convert to fraction form
    57,003.30/85,529.54 = 30,702.78/x
  3. Step 3: Cross multiply
    57,003.30x = 85,529.54 × 30,702.78
  4. Step 4: Simplify right side
    57,003.30x = 2,625,994,650.12
  5. Step 5: Solve for x
    x = 2,625,994,650.12/57,003.30
  6. Step 6: Final answer
    x = 46,067.41

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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.