Home / 38,907.31-53,692.34-22,140.31

Finding the Fourth Proportional to 38,907.31, 53,692.34 and 22,140.31

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Solution

The fourth proportional to 38,907.31, 53,692.34 and 22,140.31 is: 30,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.31 : 53,692.34 = 22,140.31 : x
  2. Step 2: Convert to fraction form
    38,907.31/53,692.34 = 22,140.31/x
  3. Step 3: Cross multiply
    38,907.31x = 53,692.34 × 22,140.31
  4. Step 4: Simplify right side
    38,907.31x = 1,188,765,052.23
  5. Step 5: Solve for x
    x = 1,188,765,052.23/38,907.31
  6. Step 6: Final answer
    x = 30,553.77

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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.