Home / 30,409.74-41,917.77-27,965.75

Finding the Fourth Proportional to 30,409.74, 41,917.77 and 27,965.75

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Solution

The fourth proportional to 30,409.74, 41,917.77 and 27,965.75 is: 38,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.74 : 41,917.77 = 27,965.75 : x
  2. Step 2: Convert to fraction form
    30,409.74/41,917.77 = 27,965.75/x
  3. Step 3: Cross multiply
    30,409.74x = 41,917.77 × 27,965.75
  4. Step 4: Simplify right side
    30,409.74x = 1,172,261,666.79
  5. Step 5: Solve for x
    x = 1,172,261,666.79/30,409.74
  6. Step 6: Final answer
    x = 38,548.89

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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.