Home / 26,750.48-40,125.54-20,912

Finding the Fourth Proportional to 26,750.48, 40,125.54 and 20,912

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Solution

The fourth proportional to 26,750.48, 40,125.54 and 20,912 is: 31,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.48 : 40,125.54 = 20,912 : x
  2. Step 2: Convert to fraction form
    26,750.48/40,125.54 = 20,912/x
  3. Step 3: Cross multiply
    26,750.48x = 40,125.54 × 20,912
  4. Step 4: Simplify right side
    26,750.48x = 839,105,292.48
  5. Step 5: Solve for x
    x = 839,105,292.48/26,750.48
  6. Step 6: Final answer
    x = 31,367.86

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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.