Home / 34,758.78-52,142.22-12,582.60

Finding the Fourth Proportional to 34,758.78, 52,142.22 and 12,582.60

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Solution

The fourth proportional to 34,758.78, 52,142.22 and 12,582.60 is: 18,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,758.78 : 52,142.22 = 12,582.60 : x
  2. Step 2: Convert to fraction form
    34,758.78/52,142.22 = 12,582.60/x
  3. Step 3: Cross multiply
    34,758.78x = 52,142.22 × 12,582.60
  4. Step 4: Simplify right side
    34,758.78x = 656,084,697.37
  5. Step 5: Solve for x
    x = 656,084,697.37/34,758.78
  6. Step 6: Final answer
    x = 18,875.37

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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.