Home / 49,860.12-74,768.25-18,673.50

Finding the Fourth Proportional to 49,860.12, 74,768.25 and 18,673.50

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Solution

The fourth proportional to 49,860.12, 74,768.25 and 18,673.50 is: 28,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.12 : 74,768.25 = 18,673.50 : x
  2. Step 2: Convert to fraction form
    49,860.12/74,768.25 = 18,673.50/x
  3. Step 3: Cross multiply
    49,860.12x = 74,768.25 × 18,673.50
  4. Step 4: Simplify right side
    49,860.12x = 1,396,184,916.38
  5. Step 5: Solve for x
    x = 1,396,184,916.38/49,860.12
  6. Step 6: Final answer
    x = 28,002.04

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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.