Home / 57,020.55-85,506.36-19,584.39

Finding the Fourth Proportional to 57,020.55, 85,506.36 and 19,584.39

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Solution

The fourth proportional to 57,020.55, 85,506.36 and 19,584.39 is: 29,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.55 : 85,506.36 = 19,584.39 : x
  2. Step 2: Convert to fraction form
    57,020.55/85,506.36 = 19,584.39/x
  3. Step 3: Cross multiply
    57,020.55x = 85,506.36 × 19,584.39
  4. Step 4: Simplify right side
    57,020.55x = 1,674,589,901.72
  5. Step 5: Solve for x
    x = 1,674,589,901.72/57,020.55
  6. Step 6: Final answer
    x = 29,368.18

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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.