Home / 30,561.75-45,842.94-12,093.75

Finding the Fourth Proportional to 30,561.75, 45,842.94 and 12,093.75

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Solution

The fourth proportional to 30,561.75, 45,842.94 and 12,093.75 is: 18,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.75 : 45,842.94 = 12,093.75 : x
  2. Step 2: Convert to fraction form
    30,561.75/45,842.94 = 12,093.75/x
  3. Step 3: Cross multiply
    30,561.75x = 45,842.94 × 12,093.75
  4. Step 4: Simplify right side
    30,561.75x = 554,413,055.63
  5. Step 5: Solve for x
    x = 554,413,055.63/30,561.75
  6. Step 6: Final answer
    x = 18,140.75

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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.