Home / 48,705.33-73,059.21-13,647.72

Finding the Fourth Proportional to 48,705.33, 73,059.21 and 13,647.72

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Solution

The fourth proportional to 48,705.33, 73,059.21 and 13,647.72 is: 20,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.33 : 73,059.21 = 13,647.72 : x
  2. Step 2: Convert to fraction form
    48,705.33/73,059.21 = 13,647.72/x
  3. Step 3: Cross multiply
    48,705.33x = 73,059.21 × 13,647.72
  4. Step 4: Simplify right side
    48,705.33x = 997,091,641.50
  5. Step 5: Solve for x
    x = 997,091,641.50/48,705.33
  6. Step 6: Final answer
    x = 20,471.92

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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.