Home / 45,408.74-68,120.60-15,835.23

Finding the Fourth Proportional to 45,408.74, 68,120.60 and 15,835.23

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Solution

The fourth proportional to 45,408.74, 68,120.60 and 15,835.23 is: 23,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.74 : 68,120.60 = 15,835.23 : x
  2. Step 2: Convert to fraction form
    45,408.74/68,120.60 = 15,835.23/x
  3. Step 3: Cross multiply
    45,408.74x = 68,120.60 × 15,835.23
  4. Step 4: Simplify right side
    45,408.74x = 1,078,705,289.56
  5. Step 5: Solve for x
    x = 1,078,705,289.56/45,408.74
  6. Step 6: Final answer
    x = 23,755.46

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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.