Home / 19,968.57-29,952.95-5,176.44

Finding the Fourth Proportional to 19,968.57, 29,952.95 and 5,176.44

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Solution

The fourth proportional to 19,968.57, 29,952.95 and 5,176.44 is: 7,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.57 : 29,952.95 = 5,176.44 : x
  2. Step 2: Convert to fraction form
    19,968.57/29,952.95 = 5,176.44/x
  3. Step 3: Cross multiply
    19,968.57x = 29,952.95 × 5,176.44
  4. Step 4: Simplify right side
    19,968.57x = 155,049,622.62
  5. Step 5: Solve for x
    x = 155,049,622.62/19,968.57
  6. Step 6: Final answer
    x = 7,764.68

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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.