Home / 31,040.36-46,562.08-8,857.01

Finding the Fourth Proportional to 31,040.36, 46,562.08 and 8,857.01

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Solution

The fourth proportional to 31,040.36, 46,562.08 and 8,857.01 is: 13,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.36 : 46,562.08 = 8,857.01 : x
  2. Step 2: Convert to fraction form
    31,040.36/46,562.08 = 8,857.01/x
  3. Step 3: Cross multiply
    31,040.36x = 46,562.08 × 8,857.01
  4. Step 4: Simplify right side
    31,040.36x = 412,400,766.21
  5. Step 5: Solve for x
    x = 412,400,766.21/31,040.36
  6. Step 6: Final answer
    x = 13,285.95

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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.