Home / 38,826.92-53,583.03-21,836.52

Finding the Fourth Proportional to 38,826.92, 53,583.03 and 21,836.52

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Solution

The fourth proportional to 38,826.92, 53,583.03 and 21,836.52 is: 30,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.92 : 53,583.03 = 21,836.52 : x
  2. Step 2: Convert to fraction form
    38,826.92/53,583.03 = 21,836.52/x
  3. Step 3: Cross multiply
    38,826.92x = 53,583.03 × 21,836.52
  4. Step 4: Simplify right side
    38,826.92x = 1,170,066,906.26
  5. Step 5: Solve for x
    x = 1,170,066,906.26/38,826.92
  6. Step 6: Final answer
    x = 30,135.45

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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.