Home / 43,738.05-65,617.49-14,155.89

Finding the Fourth Proportional to 43,738.05, 65,617.49 and 14,155.89

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Solution

The fourth proportional to 43,738.05, 65,617.49 and 14,155.89 is: 21,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.05 : 65,617.49 = 14,155.89 : x
  2. Step 2: Convert to fraction form
    43,738.05/65,617.49 = 14,155.89/x
  3. Step 3: Cross multiply
    43,738.05x = 65,617.49 × 14,155.89
  4. Step 4: Simplify right side
    43,738.05x = 928,873,720.03
  5. Step 5: Solve for x
    x = 928,873,720.03/43,738.05
  6. Step 6: Final answer
    x = 21,237.20

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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.