Home / 38,845.19-53,605.82-21,849.41

Finding the Fourth Proportional to 38,845.19, 53,605.82 and 21,849.41

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Solution

The fourth proportional to 38,845.19, 53,605.82 and 21,849.41 is: 30,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.19 : 53,605.82 = 21,849.41 : x
  2. Step 2: Convert to fraction form
    38,845.19/53,605.82 = 21,849.41/x
  3. Step 3: Cross multiply
    38,845.19x = 53,605.82 × 21,849.41
  4. Step 4: Simplify right side
    38,845.19x = 1,171,255,728.20
  5. Step 5: Solve for x
    x = 1,171,255,728.20/38,845.19
  6. Step 6: Final answer
    x = 30,151.88

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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.