Home / 40,207.55-55,450.10-25,101.60

Finding the Fourth Proportional to 40,207.55, 55,450.10 and 25,101.60

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Solution

The fourth proportional to 40,207.55, 55,450.10 and 25,101.60 is: 34,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.55 : 55,450.10 = 25,101.60 : x
  2. Step 2: Convert to fraction form
    40,207.55/55,450.10 = 25,101.60/x
  3. Step 3: Cross multiply
    40,207.55x = 55,450.10 × 25,101.60
  4. Step 4: Simplify right side
    40,207.55x = 1,391,886,104.65
  5. Step 5: Solve for x
    x = 1,391,886,104.65/40,207.55
  6. Step 6: Final answer
    x = 34,617.54

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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.