Home / 38,611.75-53,283.85-21,844.75

Finding the Fourth Proportional to 38,611.75, 53,283.85 and 21,844.75

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Solution

The fourth proportional to 38,611.75, 53,283.85 and 21,844.75 is: 30,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611.75 : 53,283.85 = 21,844.75 : x
  2. Step 2: Convert to fraction form
    38,611.75/53,283.85 = 21,844.75/x
  3. Step 3: Cross multiply
    38,611.75x = 53,283.85 × 21,844.75
  4. Step 4: Simplify right side
    38,611.75x = 1,163,972,382.29
  5. Step 5: Solve for x
    x = 1,163,972,382.29/38,611.75
  6. Step 6: Final answer
    x = 30,145.55

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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.