Home / 33,147.21-45,742.27-18,039.55

Finding the Fourth Proportional to 33,147.21, 45,742.27 and 18,039.55

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Solution

The fourth proportional to 33,147.21, 45,742.27 and 18,039.55 is: 24,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.21 : 45,742.27 = 18,039.55 : x
  2. Step 2: Convert to fraction form
    33,147.21/45,742.27 = 18,039.55/x
  3. Step 3: Cross multiply
    33,147.21x = 45,742.27 × 18,039.55
  4. Step 4: Simplify right side
    33,147.21x = 825,169,807.32
  5. Step 5: Solve for x
    x = 825,169,807.32/33,147.21
  6. Step 6: Final answer
    x = 24,894.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.