Home / 49,231.20-73,846.80-45,429.60

Finding the Fourth Proportional to 49,231.20, 73,846.80 and 45,429.60

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Solution

The fourth proportional to 49,231.20, 73,846.80 and 45,429.60 is: 68,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.20 : 73,846.80 = 45,429.60 : x
  2. Step 2: Convert to fraction form
    49,231.20/73,846.80 = 45,429.60/x
  3. Step 3: Cross multiply
    49,231.20x = 73,846.80 × 45,429.60
  4. Step 4: Simplify right side
    49,231.20x = 3,354,830,585.28
  5. Step 5: Solve for x
    x = 3,354,830,585.28/49,231.20
  6. Step 6: Final answer
    x = 68,144.40

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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.