Home / 34,145.20-51,224.64-14,423.68

Finding the Fourth Proportional to 34,145.20, 51,224.64 and 14,423.68

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Solution

The fourth proportional to 34,145.20, 51,224.64 and 14,423.68 is: 21,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.20 : 51,224.64 = 14,423.68 : x
  2. Step 2: Convert to fraction form
    34,145.20/51,224.64 = 14,423.68/x
  3. Step 3: Cross multiply
    34,145.20x = 51,224.64 × 14,423.68
  4. Step 4: Simplify right side
    34,145.20x = 738,847,815.48
  5. Step 5: Solve for x
    x = 738,847,815.48/34,145.20
  6. Step 6: Final answer
    x = 21,638.41

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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.