Home / 40,029.72-55,239.60-22,123.56

Finding the Fourth Proportional to 40,029.72, 55,239.60 and 22,123.56

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Solution

The fourth proportional to 40,029.72, 55,239.60 and 22,123.56 is: 30,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.72 : 55,239.60 = 22,123.56 : x
  2. Step 2: Convert to fraction form
    40,029.72/55,239.60 = 22,123.56/x
  3. Step 3: Cross multiply
    40,029.72x = 55,239.60 × 22,123.56
  4. Step 4: Simplify right side
    40,029.72x = 1,222,096,604.98
  5. Step 5: Solve for x
    x = 1,222,096,604.98/40,029.72
  6. Step 6: Final answer
    x = 30,529.73

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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.