Home / 31,080.24-46,621.80-8,896.77

Finding the Fourth Proportional to 31,080.24, 46,621.80 and 8,896.77

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Solution

The fourth proportional to 31,080.24, 46,621.80 and 8,896.77 is: 13,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.24 : 46,621.80 = 8,896.77 : x
  2. Step 2: Convert to fraction form
    31,080.24/46,621.80 = 8,896.77/x
  3. Step 3: Cross multiply
    31,080.24x = 46,621.80 × 8,896.77
  4. Step 4: Simplify right side
    31,080.24x = 414,783,431.59
  5. Step 5: Solve for x
    x = 414,783,431.59/31,080.24
  6. Step 6: Final answer
    x = 13,345.57

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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.