Home / 30,268.17-41,741.33-18,166.77

Finding the Fourth Proportional to 30,268.17, 41,741.33 and 18,166.77

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Solution

The fourth proportional to 30,268.17, 41,741.33 and 18,166.77 is: 25,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.17 : 41,741.33 = 18,166.77 : x
  2. Step 2: Convert to fraction form
    30,268.17/41,741.33 = 18,166.77/x
  3. Step 3: Cross multiply
    30,268.17x = 41,741.33 × 18,166.77
  4. Step 4: Simplify right side
    30,268.17x = 758,305,050.77
  5. Step 5: Solve for x
    x = 758,305,050.77/30,268.17
  6. Step 6: Final answer
    x = 25,052.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.