Home / 30,016.20-45,002.70-16,872.60

Finding the Fourth Proportional to 30,016.20, 45,002.70 and 16,872.60

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Solution

The fourth proportional to 30,016.20, 45,002.70 and 16,872.60 is: 25,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.20 : 45,002.70 = 16,872.60 : x
  2. Step 2: Convert to fraction form
    30,016.20/45,002.70 = 16,872.60/x
  3. Step 3: Cross multiply
    30,016.20x = 45,002.70 × 16,872.60
  4. Step 4: Simplify right side
    30,016.20x = 759,312,556.02
  5. Step 5: Solve for x
    x = 759,312,556.02/30,016.20
  6. Step 6: Final answer
    x = 25,296.76

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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.