Home / 49,982.64-74,973.97-20,414.40

Finding the Fourth Proportional to 49,982.64, 74,973.97 and 20,414.40

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Solution

The fourth proportional to 49,982.64, 74,973.97 and 20,414.40 is: 30,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.64 : 74,973.97 = 20,414.40 : x
  2. Step 2: Convert to fraction form
    49,982.64/74,973.97 = 20,414.40/x
  3. Step 3: Cross multiply
    49,982.64x = 74,973.97 × 20,414.40
  4. Step 4: Simplify right side
    49,982.64x = 1,530,548,613.17
  5. Step 5: Solve for x
    x = 1,530,548,613.17/49,982.64
  6. Step 6: Final answer
    x = 30,621.60

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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.