Home / 74,961.21-112,441.82-30,608.85

Finding the Fourth Proportional to 74,961.21, 112,441.82 and 30,608.85

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Solution

The fourth proportional to 74,961.21, 112,441.82 and 30,608.85 is: 45,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,961.21 : 112,441.82 = 30,608.85 : x
  2. Step 2: Convert to fraction form
    74,961.21/112,441.82 = 30,608.85/x
  3. Step 3: Cross multiply
    74,961.21x = 112,441.82 × 30,608.85
  4. Step 4: Simplify right side
    74,961.21x = 3,441,714,649.06
  5. Step 5: Solve for x
    x = 3,441,714,649.06/74,961.21
  6. Step 6: Final answer
    x = 45,913.28

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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.