Home / 29,179.98-43,718.67-20,816.73

Finding the Fourth Proportional to 29,179.98, 43,718.67 and 20,816.73

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Solution

The fourth proportional to 29,179.98, 43,718.67 and 20,816.73 is: 31,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,179.98 : 43,718.67 = 20,816.73 : x
  2. Step 2: Convert to fraction form
    29,179.98/43,718.67 = 20,816.73/x
  3. Step 3: Cross multiply
    29,179.98x = 43,718.67 × 20,816.73
  4. Step 4: Simplify right side
    29,179.98x = 910,079,749.35
  5. Step 5: Solve for x
    x = 910,079,749.35/29,179.98
  6. Step 6: Final answer
    x = 31,188.50

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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.