Home / 57,284.33-85,905.99-19,834.35

Finding the Fourth Proportional to 57,284.33, 85,905.99 and 19,834.35

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Solution

The fourth proportional to 57,284.33, 85,905.99 and 19,834.35 is: 29,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.33 : 85,905.99 = 19,834.35 : x
  2. Step 2: Convert to fraction form
    57,284.33/85,905.99 = 19,834.35/x
  3. Step 3: Cross multiply
    57,284.33x = 85,905.99 × 19,834.35
  4. Step 4: Simplify right side
    57,284.33x = 1,703,889,472.76
  5. Step 5: Solve for x
    x = 1,703,889,472.76/57,284.33
  6. Step 6: Final answer
    x = 29,744.43

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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.