Home / 54,379.26-81,628.55-43,206.42

Finding the Fourth Proportional to 54,379.26, 81,628.55 and 43,206.42

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Solution

The fourth proportional to 54,379.26, 81,628.55 and 43,206.42 is: 64,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379.26 : 81,628.55 = 43,206.42 : x
  2. Step 2: Convert to fraction form
    54,379.26/81,628.55 = 43,206.42/x
  3. Step 3: Cross multiply
    54,379.26x = 81,628.55 × 43,206.42
  4. Step 4: Simplify right side
    54,379.26x = 3,526,877,415.29
  5. Step 5: Solve for x
    x = 3,526,877,415.29/54,379.26
  6. Step 6: Final answer
    x = 64,857.03

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1.5x scale

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.