Home / 37,907.37-52,313.31-20,912.76

Finding the Fourth Proportional to 37,907.37, 52,313.31 and 20,912.76

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Solution

The fourth proportional to 37,907.37, 52,313.31 and 20,912.76 is: 28,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.37 : 52,313.31 = 20,912.76 : x
  2. Step 2: Convert to fraction form
    37,907.37/52,313.31 = 20,912.76/x
  3. Step 3: Cross multiply
    37,907.37x = 52,313.31 × 20,912.76
  4. Step 4: Simplify right side
    37,907.37x = 1,094,015,696.84
  5. Step 5: Solve for x
    x = 1,094,015,696.84/37,907.37
  6. Step 6: Final answer
    x = 28,860.24

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Half scale
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Double scale
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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.