Home / 36,491.48-54,739.53-15,428.75

Finding the Fourth Proportional to 36,491.48, 54,739.53 and 15,428.75

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Solution

The fourth proportional to 36,491.48, 54,739.53 and 15,428.75 is: 23,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.48 : 54,739.53 = 15,428.75 : x
  2. Step 2: Convert to fraction form
    36,491.48/54,739.53 = 15,428.75/x
  3. Step 3: Cross multiply
    36,491.48x = 54,739.53 × 15,428.75
  4. Step 4: Simplify right side
    36,491.48x = 844,562,523.49
  5. Step 5: Solve for x
    x = 844,562,523.49/36,491.48
  6. Step 6: Final answer
    x = 23,144.10

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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.