Home / 43,528.30-65,290.62-13,945.48

Finding the Fourth Proportional to 43,528.30, 65,290.62 and 13,945.48

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Solution

The fourth proportional to 43,528.30, 65,290.62 and 13,945.48 is: 20,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,528.30 : 65,290.62 = 13,945.48 : x
  2. Step 2: Convert to fraction form
    43,528.30/65,290.62 = 13,945.48/x
  3. Step 3: Cross multiply
    43,528.30x = 65,290.62 × 13,945.48
  4. Step 4: Simplify right side
    43,528.30x = 910,509,006.08
  5. Step 5: Solve for x
    x = 910,509,006.08/43,528.30
  6. Step 6: Final answer
    x = 20,917.63

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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.