Home / 48,579.56-72,806.22-21,905.96

Finding the Fourth Proportional to 48,579.56, 72,806.22 and 21,905.96

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Solution

The fourth proportional to 48,579.56, 72,806.22 and 21,905.96 is: 32,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.56 : 72,806.22 = 21,905.96 : x
  2. Step 2: Convert to fraction form
    48,579.56/72,806.22 = 21,905.96/x
  3. Step 3: Cross multiply
    48,579.56x = 72,806.22 × 21,905.96
  4. Step 4: Simplify right side
    48,579.56x = 1,594,890,143.07
  5. Step 5: Solve for x
    x = 1,594,890,143.07/48,579.56
  6. Step 6: Final answer
    x = 32,830.48

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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.