Home / 38,441.21-53,049.80-21,445.33

Finding the Fourth Proportional to 38,441.21, 53,049.80 and 21,445.33

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Solution

The fourth proportional to 38,441.21, 53,049.80 and 21,445.33 is: 29,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.21 : 53,049.80 = 21,445.33 : x
  2. Step 2: Convert to fraction form
    38,441.21/53,049.80 = 21,445.33/x
  3. Step 3: Cross multiply
    38,441.21x = 53,049.80 × 21,445.33
  4. Step 4: Simplify right side
    38,441.21x = 1,137,670,467.43
  5. Step 5: Solve for x
    x = 1,137,670,467.43/38,441.21
  6. Step 6: Final answer
    x = 29,595.07

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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.