Home / 36,440.07-54,647.87-13,945.50

Finding the Fourth Proportional to 36,440.07, 54,647.87 and 13,945.50

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Solution

The fourth proportional to 36,440.07, 54,647.87 and 13,945.50 is: 20,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.07 : 54,647.87 = 13,945.50 : x
  2. Step 2: Convert to fraction form
    36,440.07/54,647.87 = 13,945.50/x
  3. Step 3: Cross multiply
    36,440.07x = 54,647.87 × 13,945.50
  4. Step 4: Simplify right side
    36,440.07x = 762,091,871.09
  5. Step 5: Solve for x
    x = 762,091,871.09/36,440.07
  6. Step 6: Final answer
    x = 20,913.57

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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.