Home / 30,568.20-45,794.70-15,726.60

Finding the Fourth Proportional to 30,568.20, 45,794.70 and 15,726.60

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Solution

The fourth proportional to 30,568.20, 45,794.70 and 15,726.60 is: 23,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.20 : 45,794.70 = 15,726.60 : x
  2. Step 2: Convert to fraction form
    30,568.20/45,794.70 = 15,726.60/x
  3. Step 3: Cross multiply
    30,568.20x = 45,794.70 × 15,726.60
  4. Step 4: Simplify right side
    30,568.20x = 720,194,929.02
  5. Step 5: Solve for x
    x = 720,194,929.02/30,568.20
  6. Step 6: Final answer
    x = 23,560.27

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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.