Home / 38,900.20-58,220.70-34,234.60

Finding the Fourth Proportional to 38,900.20, 58,220.70 and 34,234.60

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Solution

The fourth proportional to 38,900.20, 58,220.70 and 34,234.60 is: 51,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900.20 : 58,220.70 = 34,234.60 : x
  2. Step 2: Convert to fraction form
    38,900.20/58,220.70 = 34,234.60/x
  3. Step 3: Cross multiply
    38,900.20x = 58,220.70 × 34,234.60
  4. Step 4: Simplify right side
    38,900.20x = 1,993,162,376.22
  5. Step 5: Solve for x
    x = 1,993,162,376.22/38,900.20
  6. Step 6: Final answer
    x = 51,237.84

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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.