Home / 38,976.56-53,778.12-23,054.48

Finding the Fourth Proportional to 38,976.56, 53,778.12 and 23,054.48

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Solution

The fourth proportional to 38,976.56, 53,778.12 and 23,054.48 is: 31,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,976.56 : 53,778.12 = 23,054.48 : x
  2. Step 2: Convert to fraction form
    38,976.56/53,778.12 = 23,054.48/x
  3. Step 3: Cross multiply
    38,976.56x = 53,778.12 × 23,054.48
  4. Step 4: Simplify right side
    38,976.56x = 1,239,826,591.98
  5. Step 5: Solve for x
    x = 1,239,826,591.98/38,976.56
  6. Step 6: Final answer
    x = 31,809.54

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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.