Home / 45,327.89-67,954.37-20,009.39

Finding the Fourth Proportional to 45,327.89, 67,954.37 and 20,009.39

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Solution

The fourth proportional to 45,327.89, 67,954.37 and 20,009.39 is: 29,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.89 : 67,954.37 = 20,009.39 : x
  2. Step 2: Convert to fraction form
    45,327.89/67,954.37 = 20,009.39/x
  3. Step 3: Cross multiply
    45,327.89x = 67,954.37 × 20,009.39
  4. Step 4: Simplify right side
    45,327.89x = 1,359,725,051.72
  5. Step 5: Solve for x
    x = 1,359,725,051.72/45,327.89
  6. Step 6: Final answer
    x = 29,997.54

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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.