Home / 31,006.90-46,503.37-8,819.79

Finding the Fourth Proportional to 31,006.90, 46,503.37 and 8,819.79

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Solution

The fourth proportional to 31,006.90, 46,503.37 and 8,819.79 is: 13,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.90 : 46,503.37 = 8,819.79 : x
  2. Step 2: Convert to fraction form
    31,006.90/46,503.37 = 8,819.79/x
  3. Step 3: Cross multiply
    31,006.90x = 46,503.37 × 8,819.79
  4. Step 4: Simplify right side
    31,006.90x = 410,149,744.72
  5. Step 5: Solve for x
    x = 410,149,744.72/31,006.90
  6. Step 6: Final answer
    x = 13,227.69

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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.