Home / 34,022.20-51,119.70-30,220.60

Finding the Fourth Proportional to 34,022.20, 51,119.70 and 30,220.60

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Solution

The fourth proportional to 34,022.20, 51,119.70 and 30,220.60 is: 45,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,022.20 : 51,119.70 = 30,220.60 : x
  2. Step 2: Convert to fraction form
    34,022.20/51,119.70 = 30,220.60/x
  3. Step 3: Cross multiply
    34,022.20x = 51,119.70 × 30,220.60
  4. Step 4: Simplify right side
    34,022.20x = 1,544,868,005.82
  5. Step 5: Solve for x
    x = 1,544,868,005.82/34,022.20
  6. Step 6: Final answer
    x = 45,407.65

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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.