Home / 31,329.45-46,991.69-12,596.28

Finding the Fourth Proportional to 31,329.45, 46,991.69 and 12,596.28

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Solution

The fourth proportional to 31,329.45, 46,991.69 and 12,596.28 is: 18,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.45 : 46,991.69 = 12,596.28 : x
  2. Step 2: Convert to fraction form
    31,329.45/46,991.69 = 12,596.28/x
  3. Step 3: Cross multiply
    31,329.45x = 46,991.69 × 12,596.28
  4. Step 4: Simplify right side
    31,329.45x = 591,920,421.93
  5. Step 5: Solve for x
    x = 591,920,421.93/31,329.45
  6. Step 6: Final answer
    x = 18,893.42

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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.