Home / 74,504.28-111,758.44-21,915.44

Finding the Fourth Proportional to 74,504.28, 111,758.44 and 21,915.44

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Solution

The fourth proportional to 74,504.28, 111,758.44 and 21,915.44 is: 32,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.28 : 111,758.44 = 21,915.44 : x
  2. Step 2: Convert to fraction form
    74,504.28/111,758.44 = 21,915.44/x
  3. Step 3: Cross multiply
    74,504.28x = 111,758.44 × 21,915.44
  4. Step 4: Simplify right side
    74,504.28x = 2,449,235,386.31
  5. Step 5: Solve for x
    x = 2,449,235,386.31/74,504.28
  6. Step 6: Final answer
    x = 32,873.75

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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.