Home / 55,512.30-83,269.25-18,072.57

Finding the Fourth Proportional to 55,512.30, 83,269.25 and 18,072.57

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Solution

The fourth proportional to 55,512.30, 83,269.25 and 18,072.57 is: 27,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.30 : 83,269.25 = 18,072.57 : x
  2. Step 2: Convert to fraction form
    55,512.30/83,269.25 = 18,072.57/x
  3. Step 3: Cross multiply
    55,512.30x = 83,269.25 × 18,072.57
  4. Step 4: Simplify right side
    55,512.30x = 1,504,889,259.11
  5. Step 5: Solve for x
    x = 1,504,889,259.11/55,512.30
  6. Step 6: Final answer
    x = 27,109.11

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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.