Home / 43,313.21-64,972.25-12,150.89

Finding the Fourth Proportional to 43,313.21, 64,972.25 and 12,150.89

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Solution

The fourth proportional to 43,313.21, 64,972.25 and 12,150.89 is: 18,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.21 : 64,972.25 = 12,150.89 : x
  2. Step 2: Convert to fraction form
    43,313.21/64,972.25 = 12,150.89/x
  3. Step 3: Cross multiply
    43,313.21x = 64,972.25 × 12,150.89
  4. Step 4: Simplify right side
    43,313.21x = 789,470,602.05
  5. Step 5: Solve for x
    x = 789,470,602.05/43,313.21
  6. Step 6: Final answer
    x = 18,227.02

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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.