Home / 37,072.20-55,583.73-20,440.20

Finding the Fourth Proportional to 37,072.20, 55,583.73 and 20,440.20

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Solution

The fourth proportional to 37,072.20, 55,583.73 and 20,440.20 is: 30,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.20 : 55,583.73 = 20,440.20 : x
  2. Step 2: Convert to fraction form
    37,072.20/55,583.73 = 20,440.20/x
  3. Step 3: Cross multiply
    37,072.20x = 55,583.73 × 20,440.20
  4. Step 4: Simplify right side
    37,072.20x = 1,136,142,557.95
  5. Step 5: Solve for x
    x = 1,136,142,557.95/37,072.20
  6. Step 6: Final answer
    x = 30,646.75

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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.