Home / 49,813.08-74,739.60-20,233.20

Finding the Fourth Proportional to 49,813.08, 74,739.60 and 20,233.20

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Solution

The fourth proportional to 49,813.08, 74,739.60 and 20,233.20 is: 30,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.08 : 74,739.60 = 20,233.20 : x
  2. Step 2: Convert to fraction form
    49,813.08/74,739.60 = 20,233.20/x
  3. Step 3: Cross multiply
    49,813.08x = 74,739.60 × 20,233.20
  4. Step 4: Simplify right side
    49,813.08x = 1,512,221,274.72
  5. Step 5: Solve for x
    x = 1,512,221,274.72/49,813.08
  6. Step 6: Final answer
    x = 30,357.92

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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.