Home / 29,975.20-44,991.60-15,200.80

Finding the Fourth Proportional to 29,975.20, 44,991.60 and 15,200.80

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Solution

The fourth proportional to 29,975.20, 44,991.60 and 15,200.80 is: 22,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.20 : 44,991.60 = 15,200.80 : x
  2. Step 2: Convert to fraction form
    29,975.20/44,991.60 = 15,200.80/x
  3. Step 3: Cross multiply
    29,975.20x = 44,991.60 × 15,200.80
  4. Step 4: Simplify right side
    29,975.20x = 683,908,313.28
  5. Step 5: Solve for x
    x = 683,908,313.28/29,975.20
  6. Step 6: Final answer
    x = 22,815.80

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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.