Home / 31,144.32-46,725.12-14,503.68

Finding the Fourth Proportional to 31,144.32, 46,725.12 and 14,503.68

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Solution

The fourth proportional to 31,144.32, 46,725.12 and 14,503.68 is: 21,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.32 : 46,725.12 = 14,503.68 : x
  2. Step 2: Convert to fraction form
    31,144.32/46,725.12 = 14,503.68/x
  3. Step 3: Cross multiply
    31,144.32x = 46,725.12 × 14,503.68
  4. Step 4: Simplify right side
    31,144.32x = 677,686,188.44
  5. Step 5: Solve for x
    x = 677,686,188.44/31,144.32
  6. Step 6: Final answer
    x = 21,759.54

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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.