Home / 49,329.20-74,004.60-19,739.60

Finding the Fourth Proportional to 49,329.20, 74,004.60 and 19,739.60

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Solution

The fourth proportional to 49,329.20, 74,004.60 and 19,739.60 is: 29,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.20 : 74,004.60 = 19,739.60 : x
  2. Step 2: Convert to fraction form
    49,329.20/74,004.60 = 19,739.60/x
  3. Step 3: Cross multiply
    49,329.20x = 74,004.60 × 19,739.60
  4. Step 4: Simplify right side
    49,329.20x = 1,460,821,202.16
  5. Step 5: Solve for x
    x = 1,460,821,202.16/49,329.20
  6. Step 6: Final answer
    x = 29,613.72

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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.