Home / 30,228.93-45,343.34-8,042.30

Finding the Fourth Proportional to 30,228.93, 45,343.34 and 8,042.30

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Solution

The fourth proportional to 30,228.93, 45,343.34 and 8,042.30 is: 12,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.93 : 45,343.34 = 8,042.30 : x
  2. Step 2: Convert to fraction form
    30,228.93/45,343.34 = 8,042.30/x
  3. Step 3: Cross multiply
    30,228.93x = 45,343.34 × 8,042.30
  4. Step 4: Simplify right side
    30,228.93x = 364,664,816.43
  5. Step 5: Solve for x
    x = 364,664,816.43/30,228.93
  6. Step 6: Final answer
    x = 12,063.44

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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.