Home / 40,019.78-55,234.94-26,383.89

Finding the Fourth Proportional to 40,019.78, 55,234.94 and 26,383.89

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Solution

The fourth proportional to 40,019.78, 55,234.94 and 26,383.89 is: 36,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.78 : 55,234.94 = 26,383.89 : x
  2. Step 2: Convert to fraction form
    40,019.78/55,234.94 = 26,383.89/x
  3. Step 3: Cross multiply
    40,019.78x = 55,234.94 × 26,383.89
  4. Step 4: Simplify right side
    40,019.78x = 1,457,312,449.20
  5. Step 5: Solve for x
    x = 1,457,312,449.20/40,019.78
  6. Step 6: Final answer
    x = 36,414.81

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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.