Home / 30,228.99-45,343.43-8,042.37

Finding the Fourth Proportional to 30,228.99, 45,343.43 and 8,042.37

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Solution

The fourth proportional to 30,228.99, 45,343.43 and 8,042.37 is: 12,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.99 : 45,343.43 = 8,042.37 : x
  2. Step 2: Convert to fraction form
    30,228.99/45,343.43 = 8,042.37/x
  3. Step 3: Cross multiply
    30,228.99x = 45,343.43 × 8,042.37
  4. Step 4: Simplify right side
    30,228.99x = 364,668,641.13
  5. Step 5: Solve for x
    x = 364,668,641.13/30,228.99
  6. Step 6: Final answer
    x = 12,063.54

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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.