Home / 51,161.67-76,723.80-19,556.10

Finding the Fourth Proportional to 51,161.67, 76,723.80 and 19,556.10

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Solution

The fourth proportional to 51,161.67, 76,723.80 and 19,556.10 is: 29,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.67 : 76,723.80 = 19,556.10 : x
  2. Step 2: Convert to fraction form
    51,161.67/76,723.80 = 19,556.10/x
  3. Step 3: Cross multiply
    51,161.67x = 76,723.80 × 19,556.10
  4. Step 4: Simplify right side
    51,161.67x = 1,500,418,231.84
  5. Step 5: Solve for x
    x = 1,500,418,231.84/51,161.67
  6. Step 6: Final answer
    x = 29,327.00

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1.5x scale

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.