Home / 30,177.82-41,645.39-16,749.07

Finding the Fourth Proportional to 30,177.82, 41,645.39 and 16,749.07

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Solution

The fourth proportional to 30,177.82, 41,645.39 and 16,749.07 is: 23,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.82 : 41,645.39 = 16,749.07 : x
  2. Step 2: Convert to fraction form
    30,177.82/41,645.39 = 16,749.07/x
  3. Step 3: Cross multiply
    30,177.82x = 41,645.39 × 16,749.07
  4. Step 4: Simplify right side
    30,177.82x = 697,521,364.43
  5. Step 5: Solve for x
    x = 697,521,364.43/30,177.82
  6. Step 6: Final answer
    x = 23,113.71

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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.