Home / 45,822.40-68,733.60-14,660.80

Finding the Fourth Proportional to 45,822.40, 68,733.60 and 14,660.80

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Solution

The fourth proportional to 45,822.40, 68,733.60 and 14,660.80 is: 21,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.40 : 68,733.60 = 14,660.80 : x
  2. Step 2: Convert to fraction form
    45,822.40/68,733.60 = 14,660.80/x
  3. Step 3: Cross multiply
    45,822.40x = 68,733.60 × 14,660.80
  4. Step 4: Simplify right side
    45,822.40x = 1,007,689,562.88
  5. Step 5: Solve for x
    x = 1,007,689,562.88/45,822.40
  6. Step 6: Final answer
    x = 21,991.20

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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.