Home / 49,644.31-74,487.23-21,587.96

Finding the Fourth Proportional to 49,644.31, 74,487.23 and 21,587.96

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Solution

The fourth proportional to 49,644.31, 74,487.23 and 21,587.96 is: 32,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.31 : 74,487.23 = 21,587.96 : x
  2. Step 2: Convert to fraction form
    49,644.31/74,487.23 = 21,587.96/x
  3. Step 3: Cross multiply
    49,644.31x = 74,487.23 × 21,587.96
  4. Step 4: Simplify right side
    49,644.31x = 1,608,027,233.81
  5. Step 5: Solve for x
    x = 1,608,027,233.81/49,644.31
  6. Step 6: Final answer
    x = 32,390.97

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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.