Home / 40,769.54-61,173.64-19,697.77

Finding the Fourth Proportional to 40,769.54, 61,173.64 and 19,697.77

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Solution

The fourth proportional to 40,769.54, 61,173.64 and 19,697.77 is: 29,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.54 : 61,173.64 = 19,697.77 : x
  2. Step 2: Convert to fraction form
    40,769.54/61,173.64 = 19,697.77/x
  3. Step 3: Cross multiply
    40,769.54x = 61,173.64 × 19,697.77
  4. Step 4: Simplify right side
    40,769.54x = 1,204,984,290.78
  5. Step 5: Solve for x
    x = 1,204,984,290.78/40,769.54
  6. Step 6: Final answer
    x = 29,555.99

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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.