Home / 50,172.30-75,283.14-20,185.29

Finding the Fourth Proportional to 50,172.30, 75,283.14 and 20,185.29

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Solution

The fourth proportional to 50,172.30, 75,283.14 and 20,185.29 is: 30,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.30 : 75,283.14 = 20,185.29 : x
  2. Step 2: Convert to fraction form
    50,172.30/75,283.14 = 20,185.29/x
  3. Step 3: Cross multiply
    50,172.30x = 75,283.14 × 20,185.29
  4. Step 4: Simplify right side
    50,172.30x = 1,519,612,013.01
  5. Step 5: Solve for x
    x = 1,519,612,013.01/50,172.30
  6. Step 6: Final answer
    x = 30,287.87

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1.5x scale

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.