Home / 34,751.39-52,131.12-12,575.21

Finding the Fourth Proportional to 34,751.39, 52,131.12 and 12,575.21

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Solution

The fourth proportional to 34,751.39, 52,131.12 and 12,575.21 is: 18,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.39 : 52,131.12 = 12,575.21 : x
  2. Step 2: Convert to fraction form
    34,751.39/52,131.12 = 12,575.21/x
  3. Step 3: Cross multiply
    34,751.39x = 52,131.12 × 12,575.21
  4. Step 4: Simplify right side
    34,751.39x = 655,559,520.88
  5. Step 5: Solve for x
    x = 655,559,520.88/34,751.39
  6. Step 6: Final answer
    x = 18,864.27

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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.