Home / 45,948.86-68,912.76-12,671.83

Finding the Fourth Proportional to 45,948.86, 68,912.76 and 12,671.83

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Solution

The fourth proportional to 45,948.86, 68,912.76 and 12,671.83 is: 19,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.86 : 68,912.76 = 12,671.83 : x
  2. Step 2: Convert to fraction form
    45,948.86/68,912.76 = 12,671.83/x
  3. Step 3: Cross multiply
    45,948.86x = 68,912.76 × 12,671.83
  4. Step 4: Simplify right side
    45,948.86x = 873,250,779.55
  5. Step 5: Solve for x
    x = 873,250,779.55/45,948.86
  6. Step 6: Final answer
    x = 19,004.84

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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.