Home / 36,353.21-54,558.98-18,828.05

Finding the Fourth Proportional to 36,353.21, 54,558.98 and 18,828.05

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Solution

The fourth proportional to 36,353.21, 54,558.98 and 18,828.05 is: 28,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.21 : 54,558.98 = 18,828.05 : x
  2. Step 2: Convert to fraction form
    36,353.21/54,558.98 = 18,828.05/x
  3. Step 3: Cross multiply
    36,353.21x = 54,558.98 × 18,828.05
  4. Step 4: Simplify right side
    36,353.21x = 1,027,239,041.05
  5. Step 5: Solve for x
    x = 1,027,239,041.05/36,353.21
  6. Step 6: Final answer
    x = 28,257.18

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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.