Home / 49,530.21-74,313.81-19,956.44

Finding the Fourth Proportional to 49,530.21, 74,313.81 and 19,956.44

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Solution

The fourth proportional to 49,530.21, 74,313.81 and 19,956.44 is: 29,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.21 : 74,313.81 = 19,956.44 : x
  2. Step 2: Convert to fraction form
    49,530.21/74,313.81 = 19,956.44/x
  3. Step 3: Cross multiply
    49,530.21x = 74,313.81 × 19,956.44
  4. Step 4: Simplify right side
    49,530.21x = 1,483,038,718.87
  5. Step 5: Solve for x
    x = 1,483,038,718.87/49,530.21
  6. Step 6: Final answer
    x = 29,942.10

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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.