Home / 49,856.49-74,728.20-20,237.22

Finding the Fourth Proportional to 49,856.49, 74,728.20 and 20,237.22

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Solution

The fourth proportional to 49,856.49, 74,728.20 and 20,237.22 is: 30,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.49 : 74,728.20 = 20,237.22 : x
  2. Step 2: Convert to fraction form
    49,856.49/74,728.20 = 20,237.22/x
  3. Step 3: Cross multiply
    49,856.49x = 74,728.20 × 20,237.22
  4. Step 4: Simplify right side
    49,856.49x = 1,512,291,023.60
  5. Step 5: Solve for x
    x = 1,512,291,023.60/49,856.49
  6. Step 6: Final answer
    x = 30,332.88

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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.