Home / 36,090.40-54,135.60-9,795.10

Finding the Fourth Proportional to 36,090.40, 54,135.60 and 9,795.10

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Solution

The fourth proportional to 36,090.40, 54,135.60 and 9,795.10 is: 14,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.40 : 54,135.60 = 9,795.10 : x
  2. Step 2: Convert to fraction form
    36,090.40/54,135.60 = 9,795.10/x
  3. Step 3: Cross multiply
    36,090.40x = 54,135.60 × 9,795.10
  4. Step 4: Simplify right side
    36,090.40x = 530,263,615.56
  5. Step 5: Solve for x
    x = 530,263,615.56/36,090.40
  6. Step 6: Final answer
    x = 14,692.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.