Home / 31,012.80-46,519.74-8,826.74

Finding the Fourth Proportional to 31,012.80, 46,519.74 and 8,826.74

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Solution

The fourth proportional to 31,012.80, 46,519.74 and 8,826.74 is: 13,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.80 : 46,519.74 = 8,826.74 : x
  2. Step 2: Convert to fraction form
    31,012.80/46,519.74 = 8,826.74/x
  3. Step 3: Cross multiply
    31,012.80x = 46,519.74 × 8,826.74
  4. Step 4: Simplify right side
    31,012.80x = 410,617,649.85
  5. Step 5: Solve for x
    x = 410,617,649.85/31,012.80
  6. Step 6: Final answer
    x = 13,240.26

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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.