Home / 54,975.28-82,407.50-21,682.48

Finding the Fourth Proportional to 54,975.28, 82,407.50 and 21,682.48

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Solution

The fourth proportional to 54,975.28, 82,407.50 and 21,682.48 is: 32,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.28 : 82,407.50 = 21,682.48 : x
  2. Step 2: Convert to fraction form
    54,975.28/82,407.50 = 21,682.48/x
  3. Step 3: Cross multiply
    54,975.28x = 82,407.50 × 21,682.48
  4. Step 4: Simplify right side
    54,975.28x = 1,786,798,970.60
  5. Step 5: Solve for x
    x = 1,786,798,970.60/54,975.28
  6. Step 6: Final answer
    x = 32,501.86

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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.