Home / 30,178.14-41,645.26-16,749.56

Finding the Fourth Proportional to 30,178.14, 41,645.26 and 16,749.56

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Solution

The fourth proportional to 30,178.14, 41,645.26 and 16,749.56 is: 23,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.14 : 41,645.26 = 16,749.56 : x
  2. Step 2: Convert to fraction form
    30,178.14/41,645.26 = 16,749.56/x
  3. Step 3: Cross multiply
    30,178.14x = 41,645.26 × 16,749.56
  4. Step 4: Simplify right side
    30,178.14x = 697,539,781.09
  5. Step 5: Solve for x
    x = 697,539,781.09/30,178.14
  6. Step 6: Final answer
    x = 23,114.07

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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.