Home / 49,989.48-74,982.33-12,549.84

Finding the Fourth Proportional to 49,989.48, 74,982.33 and 12,549.84

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Solution

The fourth proportional to 49,989.48, 74,982.33 and 12,549.84 is: 18,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.48 : 74,982.33 = 12,549.84 : x
  2. Step 2: Convert to fraction form
    49,989.48/74,982.33 = 12,549.84/x
  3. Step 3: Cross multiply
    49,989.48x = 74,982.33 × 12,549.84
  4. Step 4: Simplify right side
    49,989.48x = 941,016,244.33
  5. Step 5: Solve for x
    x = 941,016,244.33/49,989.48
  6. Step 6: Final answer
    x = 18,824.29

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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.