Home / 38,576.09-57,817.90-19,864.96

Finding the Fourth Proportional to 38,576.09, 57,817.90 and 19,864.96

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Solution

The fourth proportional to 38,576.09, 57,817.90 and 19,864.96 is: 29,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.09 : 57,817.90 = 19,864.96 : x
  2. Step 2: Convert to fraction form
    38,576.09/57,817.90 = 19,864.96/x
  3. Step 3: Cross multiply
    38,576.09x = 57,817.90 × 19,864.96
  4. Step 4: Simplify right side
    38,576.09x = 1,148,550,270.78
  5. Step 5: Solve for x
    x = 1,148,550,270.78/38,576.09
  6. Step 6: Final answer
    x = 29,773.63

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1.5x scale

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.