Home / 38,183.08-52,692.93-21,187.39

Finding the Fourth Proportional to 38,183.08, 52,692.93 and 21,187.39

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Solution

The fourth proportional to 38,183.08, 52,692.93 and 21,187.39 is: 29,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.08 : 52,692.93 = 21,187.39 : x
  2. Step 2: Convert to fraction form
    38,183.08/52,692.93 = 21,187.39/x
  3. Step 3: Cross multiply
    38,183.08x = 52,692.93 × 21,187.39
  4. Step 4: Simplify right side
    38,183.08x = 1,116,425,288.75
  5. Step 5: Solve for x
    x = 1,116,425,288.75/38,183.08
  6. Step 6: Final answer
    x = 29,238.75

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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.