Home / 40,137.37-55,391.10-22,231.99

Finding the Fourth Proportional to 40,137.37, 55,391.10 and 22,231.99

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Solution

The fourth proportional to 40,137.37, 55,391.10 and 22,231.99 is: 30,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.37 : 55,391.10 = 22,231.99 : x
  2. Step 2: Convert to fraction form
    40,137.37/55,391.10 = 22,231.99/x
  3. Step 3: Cross multiply
    40,137.37x = 55,391.10 × 22,231.99
  4. Step 4: Simplify right side
    40,137.37x = 1,231,454,381.29
  5. Step 5: Solve for x
    x = 1,231,454,381.29/40,137.37
  6. Step 6: Final answer
    x = 30,680.99

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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.