Home / 43,817.80-65,726.70-12,227.80

Finding the Fourth Proportional to 43,817.80, 65,726.70 and 12,227.80

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Solution

The fourth proportional to 43,817.80, 65,726.70 and 12,227.80 is: 18,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,817.80 : 65,726.70 = 12,227.80 : x
  2. Step 2: Convert to fraction form
    43,817.80/65,726.70 = 12,227.80/x
  3. Step 3: Cross multiply
    43,817.80x = 65,726.70 × 12,227.80
  4. Step 4: Simplify right side
    43,817.80x = 803,692,942.26
  5. Step 5: Solve for x
    x = 803,692,942.26/43,817.80
  6. Step 6: Final answer
    x = 18,341.70

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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.