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Finding the Fourth Proportional to 30,224.61, 45,336.85 and 8,037.98

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Solution

The fourth proportional to 30,224.61, 45,336.85 and 8,037.98 is: 12,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.61 : 45,336.85 = 8,037.98 : x
  2. Step 2: Convert to fraction form
    30,224.61/45,336.85 = 8,037.98/x
  3. Step 3: Cross multiply
    30,224.61x = 45,336.85 × 8,037.98
  4. Step 4: Simplify right side
    30,224.61x = 364,416,693.56
  5. Step 5: Solve for x
    x = 364,416,693.56/30,224.61
  6. Step 6: Final answer
    x = 12,056.95

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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.