Home / 30,719.45-46,097.10-12,949.03

Finding the Fourth Proportional to 30,719.45, 46,097.10 and 12,949.03

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Solution

The fourth proportional to 30,719.45, 46,097.10 and 12,949.03 is: 19,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.45 : 46,097.10 = 12,949.03 : x
  2. Step 2: Convert to fraction form
    30,719.45/46,097.10 = 12,949.03/x
  3. Step 3: Cross multiply
    30,719.45x = 46,097.10 × 12,949.03
  4. Step 4: Simplify right side
    30,719.45x = 596,912,788.43
  5. Step 5: Solve for x
    x = 596,912,788.43/30,719.45
  6. Step 6: Final answer
    x = 19,431.10

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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.