Home / 51,702.56-77,549.52-20,529.44

Finding the Fourth Proportional to 51,702.56, 77,549.52 and 20,529.44

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Solution

The fourth proportional to 51,702.56, 77,549.52 and 20,529.44 is: 30,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,702.56 : 77,549.52 = 20,529.44 : x
  2. Step 2: Convert to fraction form
    51,702.56/77,549.52 = 20,529.44/x
  3. Step 3: Cross multiply
    51,702.56x = 77,549.52 × 20,529.44
  4. Step 4: Simplify right side
    51,702.56x = 1,592,048,217.87
  5. Step 5: Solve for x
    x = 1,592,048,217.87/51,702.56
  6. Step 6: Final answer
    x = 30,792.44

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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.