Home / 30,274.79-41,778.05-16,845.62

Finding the Fourth Proportional to 30,274.79, 41,778.05 and 16,845.62

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Solution

The fourth proportional to 30,274.79, 41,778.05 and 16,845.62 is: 23,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.79 : 41,778.05 = 16,845.62 : x
  2. Step 2: Convert to fraction form
    30,274.79/41,778.05 = 16,845.62/x
  3. Step 3: Cross multiply
    30,274.79x = 41,778.05 × 16,845.62
  4. Step 4: Simplify right side
    30,274.79x = 703,776,861.52
  5. Step 5: Solve for x
    x = 703,776,861.52/30,274.79
  6. Step 6: Final answer
    x = 23,246.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.