Home / 34,203.20-51,188.10-28,662.80

Finding the Fourth Proportional to 34,203.20, 51,188.10 and 28,662.80

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Solution

The fourth proportional to 34,203.20, 51,188.10 and 28,662.80 is: 42,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.20 : 51,188.10 = 28,662.80 : x
  2. Step 2: Convert to fraction form
    34,203.20/51,188.10 = 28,662.80/x
  3. Step 3: Cross multiply
    34,203.20x = 51,188.10 × 28,662.80
  4. Step 4: Simplify right side
    34,203.20x = 1,467,194,272.68
  5. Step 5: Solve for x
    x = 1,467,194,272.68/34,203.20
  6. Step 6: Final answer
    x = 42,896.40

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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.