Home / 48,415.12-72,650.82-20,333.03

Finding the Fourth Proportional to 48,415.12, 72,650.82 and 20,333.03

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Solution

The fourth proportional to 48,415.12, 72,650.82 and 20,333.03 is: 30,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.12 : 72,650.82 = 20,333.03 : x
  2. Step 2: Convert to fraction form
    48,415.12/72,650.82 = 20,333.03/x
  3. Step 3: Cross multiply
    48,415.12x = 72,650.82 × 20,333.03
  4. Step 4: Simplify right side
    48,415.12x = 1,477,211,015.58
  5. Step 5: Solve for x
    x = 1,477,211,015.58/48,415.12
  6. Step 6: Final answer
    x = 30,511.36

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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.