Home / 49,600.20-74,342.70-20,003.40

Finding the Fourth Proportional to 49,600.20, 74,342.70 and 20,003.40

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Solution

The fourth proportional to 49,600.20, 74,342.70 and 20,003.40 is: 29,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,600.20 : 74,342.70 = 20,003.40 : x
  2. Step 2: Convert to fraction form
    49,600.20/74,342.70 = 20,003.40/x
  3. Step 3: Cross multiply
    49,600.20x = 74,342.70 × 20,003.40
  4. Step 4: Simplify right side
    49,600.20x = 1,487,106,765.18
  5. Step 5: Solve for x
    x = 1,487,106,765.18/49,600.20
  6. Step 6: Final answer
    x = 29,981.87

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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.