Home / 34,098.20-51,147.30-30,339.80

Finding the Fourth Proportional to 34,098.20, 51,147.30 and 30,339.80

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Solution

The fourth proportional to 34,098.20, 51,147.30 and 30,339.80 is: 45,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.20 : 51,147.30 = 30,339.80 : x
  2. Step 2: Convert to fraction form
    34,098.20/51,147.30 = 30,339.80/x
  3. Step 3: Cross multiply
    34,098.20x = 51,147.30 × 30,339.80
  4. Step 4: Simplify right side
    34,098.20x = 1,551,798,852.54
  5. Step 5: Solve for x
    x = 1,551,798,852.54/34,098.20
  6. Step 6: Final answer
    x = 45,509.70

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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.