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Finding the Fourth Proportional to 33,276.72, 49,914.96 and 9,903.16

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Solution

The fourth proportional to 33,276.72, 49,914.96 and 9,903.16 is: 14,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,276.72 : 49,914.96 = 9,903.16 : x
  2. Step 2: Convert to fraction form
    33,276.72/49,914.96 = 9,903.16/x
  3. Step 3: Cross multiply
    33,276.72x = 49,914.96 × 9,903.16
  4. Step 4: Simplify right side
    33,276.72x = 494,315,835.27
  5. Step 5: Solve for x
    x = 494,315,835.27/33,276.72
  6. Step 6: Final answer
    x = 14,854.70

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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.