Home / 43,600.48-65,401.31-12,435.73

Finding the Fourth Proportional to 43,600.48, 65,401.31 and 12,435.73

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Solution

The fourth proportional to 43,600.48, 65,401.31 and 12,435.73 is: 18,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.48 : 65,401.31 = 12,435.73 : x
  2. Step 2: Convert to fraction form
    43,600.48/65,401.31 = 12,435.73/x
  3. Step 3: Cross multiply
    43,600.48x = 65,401.31 × 12,435.73
  4. Step 4: Simplify right side
    43,600.48x = 813,313,032.81
  5. Step 5: Solve for x
    x = 813,313,032.81/43,600.48
  6. Step 6: Final answer
    x = 18,653.76

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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.