Home / 45,639.68-68,467.31-20,348.37

Finding the Fourth Proportional to 45,639.68, 68,467.31 and 20,348.37

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Solution

The fourth proportional to 45,639.68, 68,467.31 and 20,348.37 is: 30,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.68 : 68,467.31 = 20,348.37 : x
  2. Step 2: Convert to fraction form
    45,639.68/68,467.31 = 20,348.37/x
  3. Step 3: Cross multiply
    45,639.68x = 68,467.31 × 20,348.37
  4. Step 4: Simplify right side
    45,639.68x = 1,393,198,055.04
  5. Step 5: Solve for x
    x = 1,393,198,055.04/45,639.68
  6. Step 6: Final answer
    x = 30,526.03

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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.