Home / 47,428.69-71,145.81-17,846.78

Finding the Fourth Proportional to 47,428.69, 71,145.81 and 17,846.78

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Solution

The fourth proportional to 47,428.69, 71,145.81 and 17,846.78 is: 26,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.69 : 71,145.81 = 17,846.78 : x
  2. Step 2: Convert to fraction form
    47,428.69/71,145.81 = 17,846.78/x
  3. Step 3: Cross multiply
    47,428.69x = 71,145.81 × 17,846.78
  4. Step 4: Simplify right side
    47,428.69x = 1,269,723,508.05
  5. Step 5: Solve for x
    x = 1,269,723,508.05/47,428.69
  6. Step 6: Final answer
    x = 26,771.21

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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.