Home / 30,178.62-41,645.70-16,749.84

Finding the Fourth Proportional to 30,178.62, 41,645.70 and 16,749.84

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Solution

The fourth proportional to 30,178.62, 41,645.70 and 16,749.84 is: 23,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.62 : 41,645.70 = 16,749.84 : x
  2. Step 2: Convert to fraction form
    30,178.62/41,645.70 = 16,749.84/x
  3. Step 3: Cross multiply
    30,178.62x = 41,645.70 × 16,749.84
  4. Step 4: Simplify right side
    30,178.62x = 697,558,811.69
  5. Step 5: Solve for x
    x = 697,558,811.69/30,178.62
  6. Step 6: Final answer
    x = 23,114.34

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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.