Home / 48,971.71-73,388.27-20,863.46

Finding the Fourth Proportional to 48,971.71, 73,388.27 and 20,863.46

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Solution

The fourth proportional to 48,971.71, 73,388.27 and 20,863.46 is: 31,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.71 : 73,388.27 = 20,863.46 : x
  2. Step 2: Convert to fraction form
    48,971.71/73,388.27 = 20,863.46/x
  3. Step 3: Cross multiply
    48,971.71x = 73,388.27 × 20,863.46
  4. Step 4: Simplify right side
    48,971.71x = 1,531,132,999.76
  5. Step 5: Solve for x
    x = 1,531,132,999.76/48,971.71
  6. Step 6: Final answer
    x = 31,265.67

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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.