Home / 33,278.08-45,922.08-20,702.56

Finding the Fourth Proportional to 33,278.08, 45,922.08 and 20,702.56

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Solution

The fourth proportional to 33,278.08, 45,922.08 and 20,702.56 is: 28,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.08 : 45,922.08 = 20,702.56 : x
  2. Step 2: Convert to fraction form
    33,278.08/45,922.08 = 20,702.56/x
  3. Step 3: Cross multiply
    33,278.08x = 45,922.08 × 20,702.56
  4. Step 4: Simplify right side
    33,278.08x = 950,704,616.52
  5. Step 5: Solve for x
    x = 950,704,616.52/33,278.08
  6. Step 6: Final answer
    x = 28,568.49

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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.