Home / 40,704.09-61,064.87-12,623.54

Finding the Fourth Proportional to 40,704.09, 61,064.87 and 12,623.54

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Solution

The fourth proportional to 40,704.09, 61,064.87 and 12,623.54 is: 18,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,704.09 : 61,064.87 = 12,623.54 : x
  2. Step 2: Convert to fraction form
    40,704.09/61,064.87 = 12,623.54/x
  3. Step 3: Cross multiply
    40,704.09x = 61,064.87 × 12,623.54
  4. Step 4: Simplify right side
    40,704.09x = 770,854,829.04
  5. Step 5: Solve for x
    x = 770,854,829.04/40,704.09
  6. Step 6: Final answer
    x = 18,938.02

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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.