Home / 34,493.94-51,729.18-13,432.32

Finding the Fourth Proportional to 34,493.94, 51,729.18 and 13,432.32

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Solution

The fourth proportional to 34,493.94, 51,729.18 and 13,432.32 is: 20,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,493.94 : 51,729.18 = 13,432.32 : x
  2. Step 2: Convert to fraction form
    34,493.94/51,729.18 = 13,432.32/x
  3. Step 3: Cross multiply
    34,493.94x = 51,729.18 × 13,432.32
  4. Step 4: Simplify right side
    34,493.94x = 694,842,899.10
  5. Step 5: Solve for x
    x = 694,842,899.10/34,493.94
  6. Step 6: Final answer
    x = 20,143.91

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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.