Home / 49,915.53-74,938.68-33,381.81

Finding the Fourth Proportional to 49,915.53, 74,938.68 and 33,381.81

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Solution

The fourth proportional to 49,915.53, 74,938.68 and 33,381.81 is: 50,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.53 : 74,938.68 = 33,381.81 : x
  2. Step 2: Convert to fraction form
    49,915.53/74,938.68 = 33,381.81/x
  3. Step 3: Cross multiply
    49,915.53x = 74,938.68 × 33,381.81
  4. Step 4: Simplify right side
    49,915.53x = 2,501,588,777.41
  5. Step 5: Solve for x
    x = 2,501,588,777.41/49,915.53
  6. Step 6: Final answer
    x = 50,116.44

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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.