Home / 31,016.13-46,487.13-11,271.57

Finding the Fourth Proportional to 31,016.13, 46,487.13 and 11,271.57

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Solution

The fourth proportional to 31,016.13, 46,487.13 and 11,271.57 is: 16,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.13 : 46,487.13 = 11,271.57 : x
  2. Step 2: Convert to fraction form
    31,016.13/46,487.13 = 11,271.57/x
  3. Step 3: Cross multiply
    31,016.13x = 46,487.13 × 11,271.57
  4. Step 4: Simplify right side
    31,016.13x = 523,982,939.89
  5. Step 5: Solve for x
    x = 523,982,939.89/31,016.13
  6. Step 6: Final answer
    x = 16,893.89

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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.