Home / 34,390.71-51,579.50-10,698.55

Finding the Fourth Proportional to 34,390.71, 51,579.50 and 10,698.55

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Solution

The fourth proportional to 34,390.71, 51,579.50 and 10,698.55 is: 16,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.71 : 51,579.50 = 10,698.55 : x
  2. Step 2: Convert to fraction form
    34,390.71/51,579.50 = 10,698.55/x
  3. Step 3: Cross multiply
    34,390.71x = 51,579.50 × 10,698.55
  4. Step 4: Simplify right side
    34,390.71x = 551,825,722.18
  5. Step 5: Solve for x
    x = 551,825,722.18/34,390.71
  6. Step 6: Final answer
    x = 16,045.78

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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.