Home / 33,078.04-45,648.72-18,935.44

Finding the Fourth Proportional to 33,078.04, 45,648.72 and 18,935.44

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Solution

The fourth proportional to 33,078.04, 45,648.72 and 18,935.44 is: 26,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.04 : 45,648.72 = 18,935.44 : x
  2. Step 2: Convert to fraction form
    33,078.04/45,648.72 = 18,935.44/x
  3. Step 3: Cross multiply
    33,078.04x = 45,648.72 × 18,935.44
  4. Step 4: Simplify right side
    33,078.04x = 864,378,598.64
  5. Step 5: Solve for x
    x = 864,378,598.64/33,078.04
  6. Step 6: Final answer
    x = 26,131.49

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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.