Home / 33,020.06-45,533.42-28,255.77

Finding the Fourth Proportional to 33,020.06, 45,533.42 and 28,255.77

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Solution

The fourth proportional to 33,020.06, 45,533.42 and 28,255.77 is: 38,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,020.06 : 45,533.42 = 28,255.77 : x
  2. Step 2: Convert to fraction form
    33,020.06/45,533.42 = 28,255.77/x
  3. Step 3: Cross multiply
    33,020.06x = 45,533.42 × 28,255.77
  4. Step 4: Simplify right side
    33,020.06x = 1,286,581,966.45
  5. Step 5: Solve for x
    x = 1,286,581,966.45/33,020.06
  6. Step 6: Final answer
    x = 38,963.65

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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.