Home / 54,628.08-81,943.74-21,346.80

Finding the Fourth Proportional to 54,628.08, 81,943.74 and 21,346.80

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Solution

The fourth proportional to 54,628.08, 81,943.74 and 21,346.80 is: 32,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.08 : 81,943.74 = 21,346.80 : x
  2. Step 2: Convert to fraction form
    54,628.08/81,943.74 = 21,346.80/x
  3. Step 3: Cross multiply
    54,628.08x = 81,943.74 × 21,346.80
  4. Step 4: Simplify right side
    54,628.08x = 1,749,236,629.03
  5. Step 5: Solve for x
    x = 1,749,236,629.03/54,628.08
  6. Step 6: Final answer
    x = 32,020.83

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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.