Home / 49,824.37-74,735.61-20,221.84

Finding the Fourth Proportional to 49,824.37, 74,735.61 and 20,221.84

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Solution

The fourth proportional to 49,824.37, 74,735.61 and 20,221.84 is: 30,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,824.37 : 74,735.61 = 20,221.84 : x
  2. Step 2: Convert to fraction form
    49,824.37/74,735.61 = 20,221.84/x
  3. Step 3: Cross multiply
    49,824.37x = 74,735.61 × 20,221.84
  4. Step 4: Simplify right side
    49,824.37x = 1,511,291,547.72
  5. Step 5: Solve for x
    x = 1,511,291,547.72/49,824.37
  6. Step 6: Final answer
    x = 30,332.38

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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.