Home / 31,040.87-46,562.84-8,857.51

Finding the Fourth Proportional to 31,040.87, 46,562.84 and 8,857.51

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Solution

The fourth proportional to 31,040.87, 46,562.84 and 8,857.51 is: 13,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.87 : 46,562.84 = 8,857.51 : x
  2. Step 2: Convert to fraction form
    31,040.87/46,562.84 = 8,857.51/x
  3. Step 3: Cross multiply
    31,040.87x = 46,562.84 × 8,857.51
  4. Step 4: Simplify right side
    31,040.87x = 412,430,776.64
  5. Step 5: Solve for x
    x = 412,430,776.64/31,040.87
  6. Step 6: Final answer
    x = 13,286.70

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1.5x scale

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.