Home / 54,177.60-81,246.19-18,628.86

Finding the Fourth Proportional to 54,177.60, 81,246.19 and 18,628.86

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Solution

The fourth proportional to 54,177.60, 81,246.19 and 18,628.86 is: 27,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.60 : 81,246.19 = 18,628.86 : x
  2. Step 2: Convert to fraction form
    54,177.60/81,246.19 = 18,628.86/x
  3. Step 3: Cross multiply
    54,177.60x = 81,246.19 × 18,628.86
  4. Step 4: Simplify right side
    54,177.60x = 1,513,523,899.04
  5. Step 5: Solve for x
    x = 1,513,523,899.04/54,177.60
  6. Step 6: Final answer
    x = 27,936.34

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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.