Home / 45,004.08-67,483.44-20,043.12

Finding the Fourth Proportional to 45,004.08, 67,483.44 and 20,043.12

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Solution

The fourth proportional to 45,004.08, 67,483.44 and 20,043.12 is: 30,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,004.08 : 67,483.44 = 20,043.12 : x
  2. Step 2: Convert to fraction form
    45,004.08/67,483.44 = 20,043.12/x
  3. Step 3: Cross multiply
    45,004.08x = 67,483.44 × 20,043.12
  4. Step 4: Simplify right side
    45,004.08x = 1,352,578,685.93
  5. Step 5: Solve for x
    x = 1,352,578,685.93/45,004.08
  6. Step 6: Final answer
    x = 30,054.58

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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.