Home / 40,408.96-55,771.04-23,638.72

Finding the Fourth Proportional to 40,408.96, 55,771.04 and 23,638.72

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Solution

The fourth proportional to 40,408.96, 55,771.04 and 23,638.72 is: 32,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.96 : 55,771.04 = 23,638.72 : x
  2. Step 2: Convert to fraction form
    40,408.96/55,771.04 = 23,638.72/x
  3. Step 3: Cross multiply
    40,408.96x = 55,771.04 × 23,638.72
  4. Step 4: Simplify right side
    40,408.96x = 1,318,355,998.67
  5. Step 5: Solve for x
    x = 1,318,355,998.67/40,408.96
  6. Step 6: Final answer
    x = 32,625.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.