Home / 45,947.86-68,911.26-12,670.83

Finding the Fourth Proportional to 45,947.86, 68,911.26 and 12,670.83

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Solution

The fourth proportional to 45,947.86, 68,911.26 and 12,670.83 is: 19,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.86 : 68,911.26 = 12,670.83 : x
  2. Step 2: Convert to fraction form
    45,947.86/68,911.26 = 12,670.83/x
  3. Step 3: Cross multiply
    45,947.86x = 68,911.26 × 12,670.83
  4. Step 4: Simplify right side
    45,947.86x = 873,162,813.03
  5. Step 5: Solve for x
    x = 873,162,813.03/45,947.86
  6. Step 6: Final answer
    x = 19,003.34

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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.