Home / 34,520.64-51,780.43-15,531.86

Finding the Fourth Proportional to 34,520.64, 51,780.43 and 15,531.86

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Solution

The fourth proportional to 34,520.64, 51,780.43 and 15,531.86 is: 23,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.64 : 51,780.43 = 15,531.86 : x
  2. Step 2: Convert to fraction form
    34,520.64/51,780.43 = 15,531.86/x
  3. Step 3: Cross multiply
    34,520.64x = 51,780.43 × 15,531.86
  4. Step 4: Simplify right side
    34,520.64x = 804,246,389.50
  5. Step 5: Solve for x
    x = 804,246,389.50/34,520.64
  6. Step 6: Final answer
    x = 23,297.55

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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.