Home / 40,986.54-61,489.05-12,526.05

Finding the Fourth Proportional to 40,986.54, 61,489.05 and 12,526.05

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Solution

The fourth proportional to 40,986.54, 61,489.05 and 12,526.05 is: 18,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.54 : 61,489.05 = 12,526.05 : x
  2. Step 2: Convert to fraction form
    40,986.54/61,489.05 = 12,526.05/x
  3. Step 3: Cross multiply
    40,986.54x = 61,489.05 × 12,526.05
  4. Step 4: Simplify right side
    40,986.54x = 770,214,914.75
  5. Step 5: Solve for x
    x = 770,214,914.75/40,986.54
  6. Step 6: Final answer
    x = 18,791.90

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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.