Home / 43,312.96-64,971.87-12,150.64

Finding the Fourth Proportional to 43,312.96, 64,971.87 and 12,150.64

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Solution

The fourth proportional to 43,312.96, 64,971.87 and 12,150.64 is: 18,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.96 : 64,971.87 = 12,150.64 : x
  2. Step 2: Convert to fraction form
    43,312.96/64,971.87 = 12,150.64/x
  3. Step 3: Cross multiply
    43,312.96x = 64,971.87 × 12,150.64
  4. Step 4: Simplify right side
    43,312.96x = 789,449,802.50
  5. Step 5: Solve for x
    x = 789,449,802.50/43,312.96
  6. Step 6: Final answer
    x = 18,226.64

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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.