Home / 57,021.05-85,507.11-19,584.89

Finding the Fourth Proportional to 57,021.05, 85,507.11 and 19,584.89

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Solution

The fourth proportional to 57,021.05, 85,507.11 and 19,584.89 is: 29,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.05 : 85,507.11 = 19,584.89 : x
  2. Step 2: Convert to fraction form
    57,021.05/85,507.11 = 19,584.89/x
  3. Step 3: Cross multiply
    57,021.05x = 85,507.11 × 19,584.89
  4. Step 4: Simplify right side
    57,021.05x = 1,674,647,343.57
  5. Step 5: Solve for x
    x = 1,674,647,343.57/57,021.05
  6. Step 6: Final answer
    x = 29,368.93

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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.