Home / 30,533.20-45,799.80-23,621.20

Finding the Fourth Proportional to 30,533.20, 45,799.80 and 23,621.20

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Solution

The fourth proportional to 30,533.20, 45,799.80 and 23,621.20 is: 35,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.20 : 45,799.80 = 23,621.20 : x
  2. Step 2: Convert to fraction form
    30,533.20/45,799.80 = 23,621.20/x
  3. Step 3: Cross multiply
    30,533.20x = 45,799.80 × 23,621.20
  4. Step 4: Simplify right side
    30,533.20x = 1,081,846,235.76
  5. Step 5: Solve for x
    x = 1,081,846,235.76/30,533.20
  6. Step 6: Final answer
    x = 35,431.80

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Similar ratio
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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.