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Finding the Fourth Proportional to 45,393.63, 68,101.37 and 14,228.88

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Solution

The fourth proportional to 45,393.63, 68,101.37 and 14,228.88 is: 21,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.63 : 68,101.37 = 14,228.88 : x
  2. Step 2: Convert to fraction form
    45,393.63/68,101.37 = 14,228.88/x
  3. Step 3: Cross multiply
    45,393.63x = 68,101.37 × 14,228.88
  4. Step 4: Simplify right side
    45,393.63x = 969,006,221.57
  5. Step 5: Solve for x
    x = 969,006,221.57/45,393.63
  6. Step 6: Final answer
    x = 21,346.74

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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.