Home / 43,606.50-65,410.35-12,441.78

Finding the Fourth Proportional to 43,606.50, 65,410.35 and 12,441.78

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Solution

The fourth proportional to 43,606.50, 65,410.35 and 12,441.78 is: 18,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,606.50 : 65,410.35 = 12,441.78 : x
  2. Step 2: Convert to fraction form
    43,606.50/65,410.35 = 12,441.78/x
  3. Step 3: Cross multiply
    43,606.50x = 65,410.35 × 12,441.78
  4. Step 4: Simplify right side
    43,606.50x = 813,821,184.42
  5. Step 5: Solve for x
    x = 813,821,184.42/43,606.50
  6. Step 6: Final answer
    x = 18,662.84

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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.