Home / 31,007.88-46,511.28-8,821.44

Finding the Fourth Proportional to 31,007.88, 46,511.28 and 8,821.44

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Solution

The fourth proportional to 31,007.88, 46,511.28 and 8,821.44 is: 13,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007.88 : 46,511.28 = 8,821.44 : x
  2. Step 2: Convert to fraction form
    31,007.88/46,511.28 = 8,821.44/x
  3. Step 3: Cross multiply
    31,007.88x = 46,511.28 × 8,821.44
  4. Step 4: Simplify right side
    31,007.88x = 410,296,465.84
  5. Step 5: Solve for x
    x = 410,296,465.84/31,007.88
  6. Step 6: Final answer
    x = 13,232.01

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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.