Home / 38,576.34-57,818.27-19,865.21

Finding the Fourth Proportional to 38,576.34, 57,818.27 and 19,865.21

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Solution

The fourth proportional to 38,576.34, 57,818.27 and 19,865.21 is: 29,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.34 : 57,818.27 = 19,865.21 : x
  2. Step 2: Convert to fraction form
    38,576.34/57,818.27 = 19,865.21/x
  3. Step 3: Cross multiply
    38,576.34x = 57,818.27 × 19,865.21
  4. Step 4: Simplify right side
    38,576.34x = 1,148,571,835.96
  5. Step 5: Solve for x
    x = 1,148,571,835.96/38,576.34
  6. Step 6: Final answer
    x = 29,774.00

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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.