Home / 49,638.69-74,466.24-19,643.99

Finding the Fourth Proportional to 49,638.69, 74,466.24 and 19,643.99

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Solution

The fourth proportional to 49,638.69, 74,466.24 and 19,643.99 is: 29,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,638.69 : 74,466.24 = 19,643.99 : x
  2. Step 2: Convert to fraction form
    49,638.69/74,466.24 = 19,643.99/x
  3. Step 3: Cross multiply
    49,638.69x = 74,466.24 × 19,643.99
  4. Step 4: Simplify right side
    49,638.69x = 1,462,813,627.90
  5. Step 5: Solve for x
    x = 1,462,813,627.90/49,638.69
  6. Step 6: Final answer
    x = 29,469.22

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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.