Home / 33,181.60-49,772.40-30,647.20

Finding the Fourth Proportional to 33,181.60, 49,772.40 and 30,647.20

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Solution

The fourth proportional to 33,181.60, 49,772.40 and 30,647.20 is: 45,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.60 : 49,772.40 = 30,647.20 : x
  2. Step 2: Convert to fraction form
    33,181.60/49,772.40 = 30,647.20/x
  3. Step 3: Cross multiply
    33,181.60x = 49,772.40 × 30,647.20
  4. Step 4: Simplify right side
    33,181.60x = 1,525,384,697.28
  5. Step 5: Solve for x
    x = 1,525,384,697.28/33,181.60
  6. Step 6: Final answer
    x = 45,970.80

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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.