Home / 49,372.11-74,069.12-19,389.24

Finding the Fourth Proportional to 49,372.11, 74,069.12 and 19,389.24

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Solution

The fourth proportional to 49,372.11, 74,069.12 and 19,389.24 is: 29,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372.11 : 74,069.12 = 19,389.24 : x
  2. Step 2: Convert to fraction form
    49,372.11/74,069.12 = 19,389.24/x
  3. Step 3: Cross multiply
    49,372.11x = 74,069.12 × 19,389.24
  4. Step 4: Simplify right side
    49,372.11x = 1,436,143,992.74
  5. Step 5: Solve for x
    x = 1,436,143,992.74/49,372.11
  6. Step 6: Final answer
    x = 29,088.16

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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.