Home / 49,718.10-74,583.99-18,124.16

Finding the Fourth Proportional to 49,718.10, 74,583.99 and 18,124.16

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Solution

The fourth proportional to 49,718.10, 74,583.99 and 18,124.16 is: 27,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,718.10 : 74,583.99 = 18,124.16 : x
  2. Step 2: Convert to fraction form
    49,718.10/74,583.99 = 18,124.16/x
  3. Step 3: Cross multiply
    49,718.10x = 74,583.99 × 18,124.16
  4. Step 4: Simplify right side
    49,718.10x = 1,351,771,795.28
  5. Step 5: Solve for x
    x = 1,351,771,795.28/49,718.10
  6. Step 6: Final answer
    x = 27,188.72

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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.