Home / 33,049.16-45,631.54-20,319.44

Finding the Fourth Proportional to 33,049.16, 45,631.54 and 20,319.44

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Solution

The fourth proportional to 33,049.16, 45,631.54 and 20,319.44 is: 28,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,049.16 : 45,631.54 = 20,319.44 : x
  2. Step 2: Convert to fraction form
    33,049.16/45,631.54 = 20,319.44/x
  3. Step 3: Cross multiply
    33,049.16x = 45,631.54 × 20,319.44
  4. Step 4: Simplify right side
    33,049.16x = 927,207,339.14
  5. Step 5: Solve for x
    x = 927,207,339.14/33,049.16
  6. Step 6: Final answer
    x = 28,055.40

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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.