Home / 49,827.60-74,739.78-20,236.68

Finding the Fourth Proportional to 49,827.60, 74,739.78 and 20,236.68

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Solution

The fourth proportional to 49,827.60, 74,739.78 and 20,236.68 is: 30,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,827.60 : 74,739.78 = 20,236.68 : x
  2. Step 2: Convert to fraction form
    49,827.60/74,739.78 = 20,236.68/x
  3. Step 3: Cross multiply
    49,827.60x = 74,739.78 × 20,236.68
  4. Step 4: Simplify right side
    49,827.60x = 1,512,485,011.13
  5. Step 5: Solve for x
    x = 1,512,485,011.13/49,827.60
  6. Step 6: Final answer
    x = 30,354.36

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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.