Home / 34,381.23-51,336.62-30,800.22

Finding the Fourth Proportional to 34,381.23, 51,336.62 and 30,800.22

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Solution

The fourth proportional to 34,381.23, 51,336.62 and 30,800.22 is: 45,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381.23 : 51,336.62 = 30,800.22 : x
  2. Step 2: Convert to fraction form
    34,381.23/51,336.62 = 30,800.22/x
  3. Step 3: Cross multiply
    34,381.23x = 51,336.62 × 30,800.22
  4. Step 4: Simplify right side
    34,381.23x = 1,581,179,190.06
  5. Step 5: Solve for x
    x = 1,581,179,190.06/34,381.23
  6. Step 6: Final answer
    x = 45,989.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.