Home / 43,311.96-64,970.37-12,149.64

Finding the Fourth Proportional to 43,311.96, 64,970.37 and 12,149.64

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Solution

The fourth proportional to 43,311.96, 64,970.37 and 12,149.64 is: 18,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.96 : 64,970.37 = 12,149.64 : x
  2. Step 2: Convert to fraction form
    43,311.96/64,970.37 = 12,149.64/x
  3. Step 3: Cross multiply
    43,311.96x = 64,970.37 × 12,149.64
  4. Step 4: Simplify right side
    43,311.96x = 789,366,606.17
  5. Step 5: Solve for x
    x = 789,366,606.17/43,311.96
  6. Step 6: Final answer
    x = 18,225.14

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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.