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Finding the Fourth Proportional to 51,262.40, 76,904.40 and 16,205.60

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Solution

The fourth proportional to 51,262.40, 76,904.40 and 16,205.60 is: 24,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,262.40 : 76,904.40 = 16,205.60 : x
  2. Step 2: Convert to fraction form
    51,262.40/76,904.40 = 16,205.60/x
  3. Step 3: Cross multiply
    51,262.40x = 76,904.40 × 16,205.60
  4. Step 4: Simplify right side
    51,262.40x = 1,246,281,944.64
  5. Step 5: Solve for x
    x = 1,246,281,944.64/51,262.40
  6. Step 6: Final answer
    x = 24,311.81

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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.