Home / 37,408.12-56,121.33-12,448.12

Finding the Fourth Proportional to 37,408.12, 56,121.33 and 12,448.12

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Solution

The fourth proportional to 37,408.12, 56,121.33 and 12,448.12 is: 18,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,408.12 : 56,121.33 = 12,448.12 : x
  2. Step 2: Convert to fraction form
    37,408.12/56,121.33 = 12,448.12/x
  3. Step 3: Cross multiply
    37,408.12x = 56,121.33 × 12,448.12
  4. Step 4: Simplify right side
    37,408.12x = 698,605,050.40
  5. Step 5: Solve for x
    x = 698,605,050.40/37,408.12
  6. Step 6: Final answer
    x = 18,675.22

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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.