Home / 51,702.64-77,542.44-20,529.52

Finding the Fourth Proportional to 51,702.64, 77,542.44 and 20,529.52

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Solution

The fourth proportional to 51,702.64, 77,542.44 and 20,529.52 is: 30,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,702.64 : 77,542.44 = 20,529.52 : x
  2. Step 2: Convert to fraction form
    51,702.64/77,542.44 = 20,529.52/x
  3. Step 3: Cross multiply
    51,702.64x = 77,542.44 × 20,529.52
  4. Step 4: Simplify right side
    51,702.64x = 1,591,909,072.83
  5. Step 5: Solve for x
    x = 1,591,909,072.83/51,702.64
  6. Step 6: Final answer
    x = 30,789.71

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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.