Home / 57,020.05-85,505.61-19,583.89

Finding the Fourth Proportional to 57,020.05, 85,505.61 and 19,583.89

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Solution

The fourth proportional to 57,020.05, 85,505.61 and 19,583.89 is: 29,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.05 : 85,505.61 = 19,583.89 : x
  2. Step 2: Convert to fraction form
    57,020.05/85,505.61 = 19,583.89/x
  3. Step 3: Cross multiply
    57,020.05x = 85,505.61 × 19,583.89
  4. Step 4: Simplify right side
    57,020.05x = 1,674,532,460.62
  5. Step 5: Solve for x
    x = 1,674,532,460.62/57,020.05
  6. Step 6: Final answer
    x = 29,367.43

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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.