Home / 40,174.57-55,435.08-22,269.57

Finding the Fourth Proportional to 40,174.57, 55,435.08 and 22,269.57

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Solution

The fourth proportional to 40,174.57, 55,435.08 and 22,269.57 is: 30,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.57 : 55,435.08 = 22,269.57 : x
  2. Step 2: Convert to fraction form
    40,174.57/55,435.08 = 22,269.57/x
  3. Step 3: Cross multiply
    40,174.57x = 55,435.08 × 22,269.57
  4. Step 4: Simplify right side
    40,174.57x = 1,234,515,394.52
  5. Step 5: Solve for x
    x = 1,234,515,394.52/40,174.57
  6. Step 6: Final answer
    x = 30,728.78

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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.