Home / 49,455.20-74,240.40-31,997.60

Finding the Fourth Proportional to 49,455.20, 74,240.40 and 31,997.60

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Solution

The fourth proportional to 49,455.20, 74,240.40 and 31,997.60 is: 48,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.20 : 74,240.40 = 31,997.60 : x
  2. Step 2: Convert to fraction form
    49,455.20/74,240.40 = 31,997.60/x
  3. Step 3: Cross multiply
    49,455.20x = 74,240.40 × 31,997.60
  4. Step 4: Simplify right side
    49,455.20x = 2,375,514,623.04
  5. Step 5: Solve for x
    x = 2,375,514,623.04/49,455.20
  6. Step 6: Final answer
    x = 48,033.67

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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.