Home / 51,238.20-76,842.90-16,188.60

Finding the Fourth Proportional to 51,238.20, 76,842.90 and 16,188.60

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Solution

The fourth proportional to 51,238.20, 76,842.90 and 16,188.60 is: 24,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.20 : 76,842.90 = 16,188.60 : x
  2. Step 2: Convert to fraction form
    51,238.20/76,842.90 = 16,188.60/x
  3. Step 3: Cross multiply
    51,238.20x = 76,842.90 × 16,188.60
  4. Step 4: Simplify right side
    51,238.20x = 1,243,978,970.94
  5. Step 5: Solve for x
    x = 1,243,978,970.94/51,238.20
  6. Step 6: Final answer
    x = 24,278.35

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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.