Home / 54,166.92-81,263.64-18,628.80

Finding the Fourth Proportional to 54,166.92, 81,263.64 and 18,628.80

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Solution

The fourth proportional to 54,166.92, 81,263.64 and 18,628.80 is: 27,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.92 : 81,263.64 = 18,628.80 : x
  2. Step 2: Convert to fraction form
    54,166.92/81,263.64 = 18,628.80/x
  3. Step 3: Cross multiply
    54,166.92x = 81,263.64 × 18,628.80
  4. Step 4: Simplify right side
    54,166.92x = 1,513,844,096.83
  5. Step 5: Solve for x
    x = 1,513,844,096.83/54,166.92
  6. Step 6: Final answer
    x = 27,947.76

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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.