Home / 31,171.72-46,769.10-11,463.16

Finding the Fourth Proportional to 31,171.72, 46,769.10 and 11,463.16

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Solution

The fourth proportional to 31,171.72, 46,769.10 and 11,463.16 is: 17,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.72 : 46,769.10 = 11,463.16 : x
  2. Step 2: Convert to fraction form
    31,171.72/46,769.10 = 11,463.16/x
  3. Step 3: Cross multiply
    31,171.72x = 46,769.10 × 11,463.16
  4. Step 4: Simplify right side
    31,171.72x = 536,121,676.36
  5. Step 5: Solve for x
    x = 536,121,676.36/31,171.72
  6. Step 6: Final answer
    x = 17,198.98

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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.