Home / 43,854.10-65,781.75-14,272.09

Finding the Fourth Proportional to 43,854.10, 65,781.75 and 14,272.09

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Solution

The fourth proportional to 43,854.10, 65,781.75 and 14,272.09 is: 21,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854.10 : 65,781.75 = 14,272.09 : x
  2. Step 2: Convert to fraction form
    43,854.10/65,781.75 = 14,272.09/x
  3. Step 3: Cross multiply
    43,854.10x = 65,781.75 × 14,272.09
  4. Step 4: Simplify right side
    43,854.10x = 938,843,056.36
  5. Step 5: Solve for x
    x = 938,843,056.36/43,854.10
  6. Step 6: Final answer
    x = 21,408.33

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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.