Home / 37,692.81-52,016.72-20,697.76

Finding the Fourth Proportional to 37,692.81, 52,016.72 and 20,697.76

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Solution

The fourth proportional to 37,692.81, 52,016.72 and 20,697.76 is: 28,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,692.81 : 52,016.72 = 20,697.76 : x
  2. Step 2: Convert to fraction form
    37,692.81/52,016.72 = 20,697.76/x
  3. Step 3: Cross multiply
    37,692.81x = 52,016.72 × 20,697.76
  4. Step 4: Simplify right side
    37,692.81x = 1,076,629,586.55
  5. Step 5: Solve for x
    x = 1,076,629,586.55/37,692.81
  6. Step 6: Final answer
    x = 28,563.26

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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.