Home / 30,895-45,945.05-29,910.84

Finding the Fourth Proportional to 30,895, 45,945.05 and 29,910.84

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Solution

The fourth proportional to 30,895, 45,945.05 and 29,910.84 is: 44,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895 : 45,945.05 = 29,910.84 : x
  2. Step 2: Convert to fraction form
    30,895/45,945.05 = 29,910.84/x
  3. Step 3: Cross multiply
    30,895x = 45,945.05 × 29,910.84
  4. Step 4: Simplify right side
    30,895x = 1,374,255,039.34
  5. Step 5: Solve for x
    x = 1,374,255,039.34/30,895
  6. Step 6: Final answer
    x = 44,481.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.