Home / 53,999.73-81,000.33-18,940.41

Finding the Fourth Proportional to 53,999.73, 81,000.33 and 18,940.41

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Solution

The fourth proportional to 53,999.73, 81,000.33 and 18,940.41 is: 28,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.73 : 81,000.33 = 18,940.41 : x
  2. Step 2: Convert to fraction form
    53,999.73/81,000.33 = 18,940.41/x
  3. Step 3: Cross multiply
    53,999.73x = 81,000.33 × 18,940.41
  4. Step 4: Simplify right side
    53,999.73x = 1,534,179,460.34
  5. Step 5: Solve for x
    x = 1,534,179,460.34/53,999.73
  6. Step 6: Final answer
    x = 28,410.87

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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.