Home / 49,982.91-74,937.32-30,256.80

Finding the Fourth Proportional to 49,982.91, 74,937.32 and 30,256.80

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Solution

The fourth proportional to 49,982.91, 74,937.32 and 30,256.80 is: 45,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.91 : 74,937.32 = 30,256.80 : x
  2. Step 2: Convert to fraction form
    49,982.91/74,937.32 = 30,256.80/x
  3. Step 3: Cross multiply
    49,982.91x = 74,937.32 × 30,256.80
  4. Step 4: Simplify right side
    49,982.91x = 2,267,363,503.78
  5. Step 5: Solve for x
    x = 2,267,363,503.78/49,982.91
  6. Step 6: Final answer
    x = 45,362.78

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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.