Home / 30,719.96-46,097.85-12,949.53

Finding the Fourth Proportional to 30,719.96, 46,097.85 and 12,949.53

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Solution

The fourth proportional to 30,719.96, 46,097.85 and 12,949.53 is: 19,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.96 : 46,097.85 = 12,949.53 : x
  2. Step 2: Convert to fraction form
    30,719.96/46,097.85 = 12,949.53/x
  3. Step 3: Cross multiply
    30,719.96x = 46,097.85 × 12,949.53
  4. Step 4: Simplify right side
    30,719.96x = 596,945,491.51
  5. Step 5: Solve for x
    x = 596,945,491.51/30,719.96
  6. Step 6: Final answer
    x = 19,431.85

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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.