Home / 30,552.45-45,828.61-8,367.55

Finding the Fourth Proportional to 30,552.45, 45,828.61 and 8,367.55

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Solution

The fourth proportional to 30,552.45, 45,828.61 and 8,367.55 is: 12,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.45 : 45,828.61 = 8,367.55 : x
  2. Step 2: Convert to fraction form
    30,552.45/45,828.61 = 8,367.55/x
  3. Step 3: Cross multiply
    30,552.45x = 45,828.61 × 8,367.55
  4. Step 4: Simplify right side
    30,552.45x = 383,473,185.61
  5. Step 5: Solve for x
    x = 383,473,185.61/30,552.45
  6. Step 6: Final answer
    x = 12,551.31

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1.5x scale

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.