Home / 34,190.20-51,285.30-30,273.40

Finding the Fourth Proportional to 34,190.20, 51,285.30 and 30,273.40

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Solution

The fourth proportional to 34,190.20, 51,285.30 and 30,273.40 is: 45,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.20 : 51,285.30 = 30,273.40 : x
  2. Step 2: Convert to fraction form
    34,190.20/51,285.30 = 30,273.40/x
  3. Step 3: Cross multiply
    34,190.20x = 51,285.30 × 30,273.40
  4. Step 4: Simplify right side
    34,190.20x = 1,552,580,401.02
  5. Step 5: Solve for x
    x = 1,552,580,401.02/34,190.20
  6. Step 6: Final answer
    x = 45,410.10

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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.