Home / 49,501.11-74,288.57-19,919.21

Finding the Fourth Proportional to 49,501.11, 74,288.57 and 19,919.21

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Solution

The fourth proportional to 49,501.11, 74,288.57 and 19,919.21 is: 29,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,501.11 : 74,288.57 = 19,919.21 : x
  2. Step 2: Convert to fraction form
    49,501.11/74,288.57 = 19,919.21/x
  3. Step 3: Cross multiply
    49,501.11x = 74,288.57 × 19,919.21
  4. Step 4: Simplify right side
    49,501.11x = 1,479,769,155.39
  5. Step 5: Solve for x
    x = 1,479,769,155.39/49,501.11
  6. Step 6: Final answer
    x = 29,893.66

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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.