Home / 40,172.10-55,436.64-22,266.94

Finding the Fourth Proportional to 40,172.10, 55,436.64 and 22,266.94

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Solution

The fourth proportional to 40,172.10, 55,436.64 and 22,266.94 is: 30,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.10 : 55,436.64 = 22,266.94 : x
  2. Step 2: Convert to fraction form
    40,172.10/55,436.64 = 22,266.94/x
  3. Step 3: Cross multiply
    40,172.10x = 55,436.64 × 22,266.94
  4. Step 4: Simplify right side
    40,172.10x = 1,234,404,336.68
  5. Step 5: Solve for x
    x = 1,234,404,336.68/40,172.10
  6. Step 6: Final answer
    x = 30,727.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.