Home / 43,869.85-65,790.05-14,280.73

Finding the Fourth Proportional to 43,869.85, 65,790.05 and 14,280.73

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Solution

The fourth proportional to 43,869.85, 65,790.05 and 14,280.73 is: 21,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.85 : 65,790.05 = 14,280.73 : x
  2. Step 2: Convert to fraction form
    43,869.85/65,790.05 = 14,280.73/x
  3. Step 3: Cross multiply
    43,869.85x = 65,790.05 × 14,280.73
  4. Step 4: Simplify right side
    43,869.85x = 939,529,940.74
  5. Step 5: Solve for x
    x = 939,529,940.74/43,869.85
  6. Step 6: Final answer
    x = 21,416.30

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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.