Home / 37,447.85-51,678.38-21,314.37

Finding the Fourth Proportional to 37,447.85, 51,678.38 and 21,314.37

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Solution

The fourth proportional to 37,447.85, 51,678.38 and 21,314.37 is: 29,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,447.85 : 51,678.38 = 21,314.37 : x
  2. Step 2: Convert to fraction form
    37,447.85/51,678.38 = 21,314.37/x
  3. Step 3: Cross multiply
    37,447.85x = 51,678.38 × 21,314.37
  4. Step 4: Simplify right side
    37,447.85x = 1,101,492,112.32
  5. Step 5: Solve for x
    x = 1,101,492,112.32/37,447.85
  6. Step 6: Final answer
    x = 29,414.03

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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.