Home / 30,630.68-45,945.85-11,923.73

Finding the Fourth Proportional to 30,630.68, 45,945.85 and 11,923.73

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Solution

The fourth proportional to 30,630.68, 45,945.85 and 11,923.73 is: 17,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.68 : 45,945.85 = 11,923.73 : x
  2. Step 2: Convert to fraction form
    30,630.68/45,945.85 = 11,923.73/x
  3. Step 3: Cross multiply
    30,630.68x = 45,945.85 × 11,923.73
  4. Step 4: Simplify right side
    30,630.68x = 547,845,910.02
  5. Step 5: Solve for x
    x = 547,845,910.02/30,630.68
  6. Step 6: Final answer
    x = 17,885.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.