Home / 34,386.74-51,587.85-12,200.09

Finding the Fourth Proportional to 34,386.74, 51,587.85 and 12,200.09

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Solution

The fourth proportional to 34,386.74, 51,587.85 and 12,200.09 is: 18,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.74 : 51,587.85 = 12,200.09 : x
  2. Step 2: Convert to fraction form
    34,386.74/51,587.85 = 12,200.09/x
  3. Step 3: Cross multiply
    34,386.74x = 51,587.85 × 12,200.09
  4. Step 4: Simplify right side
    34,386.74x = 629,376,200.72
  5. Step 5: Solve for x
    x = 629,376,200.72/34,386.74
  6. Step 6: Final answer
    x = 18,302.88

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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.