Home / 30,229.18-45,343.71-8,042.55

Finding the Fourth Proportional to 30,229.18, 45,343.71 and 8,042.55

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Solution

The fourth proportional to 30,229.18, 45,343.71 and 8,042.55 is: 12,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.18 : 45,343.71 = 8,042.55 : x
  2. Step 2: Convert to fraction form
    30,229.18/45,343.71 = 8,042.55/x
  3. Step 3: Cross multiply
    30,229.18x = 45,343.71 × 8,042.55
  4. Step 4: Simplify right side
    30,229.18x = 364,679,054.86
  5. Step 5: Solve for x
    x = 364,679,054.86/30,229.18
  6. Step 6: Final answer
    x = 12,063.81

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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.