Home / 38,653.56-53,340.42-21,886.60

Finding the Fourth Proportional to 38,653.56, 53,340.42 and 21,886.60

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Solution

The fourth proportional to 38,653.56, 53,340.42 and 21,886.60 is: 30,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.56 : 53,340.42 = 21,886.60 : x
  2. Step 2: Convert to fraction form
    38,653.56/53,340.42 = 21,886.60/x
  3. Step 3: Cross multiply
    38,653.56x = 53,340.42 × 21,886.60
  4. Step 4: Simplify right side
    38,653.56x = 1,167,440,436.37
  5. Step 5: Solve for x
    x = 1,167,440,436.37/38,653.56
  6. Step 6: Final answer
    x = 30,202.66

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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.