Home / 36,140.45-54,214.72-9,845.42

Finding the Fourth Proportional to 36,140.45, 54,214.72 and 9,845.42

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Solution

The fourth proportional to 36,140.45, 54,214.72 and 9,845.42 is: 14,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.45 : 54,214.72 = 9,845.42 : x
  2. Step 2: Convert to fraction form
    36,140.45/54,214.72 = 9,845.42/x
  3. Step 3: Cross multiply
    36,140.45x = 54,214.72 × 9,845.42
  4. Step 4: Simplify right side
    36,140.45x = 533,766,392.90
  5. Step 5: Solve for x
    x = 533,766,392.90/36,140.45
  6. Step 6: Final answer
    x = 14,769.23

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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.