Home / 43,530.14-65,285.96-13,940.03

Finding the Fourth Proportional to 43,530.14, 65,285.96 and 13,940.03

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Solution

The fourth proportional to 43,530.14, 65,285.96 and 13,940.03 is: 20,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.14 : 65,285.96 = 13,940.03 : x
  2. Step 2: Convert to fraction form
    43,530.14/65,285.96 = 13,940.03/x
  3. Step 3: Cross multiply
    43,530.14x = 65,285.96 × 13,940.03
  4. Step 4: Simplify right side
    43,530.14x = 910,088,171.28
  5. Step 5: Solve for x
    x = 910,088,171.28/43,530.14
  6. Step 6: Final answer
    x = 20,907.08

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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.