Home / 30,740.64-46,111.26-8,555.64

Finding the Fourth Proportional to 30,740.64, 46,111.26 and 8,555.64

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Solution

The fourth proportional to 30,740.64, 46,111.26 and 8,555.64 is: 12,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.64 : 46,111.26 = 8,555.64 : x
  2. Step 2: Convert to fraction form
    30,740.64/46,111.26 = 8,555.64/x
  3. Step 3: Cross multiply
    30,740.64x = 46,111.26 × 8,555.64
  4. Step 4: Simplify right side
    30,740.64x = 394,511,340.51
  5. Step 5: Solve for x
    x = 394,511,340.51/30,740.64
  6. Step 6: Final answer
    x = 12,833.54

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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.