Home / 54,917.28-82,346.40-17,467.20

Finding the Fourth Proportional to 54,917.28, 82,346.40 and 17,467.20

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Solution

The fourth proportional to 54,917.28, 82,346.40 and 17,467.20 is: 26,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.28 : 82,346.40 = 17,467.20 : x
  2. Step 2: Convert to fraction form
    54,917.28/82,346.40 = 17,467.20/x
  3. Step 3: Cross multiply
    54,917.28x = 82,346.40 × 17,467.20
  4. Step 4: Simplify right side
    54,917.28x = 1,438,361,038.08
  5. Step 5: Solve for x
    x = 1,438,361,038.08/54,917.28
  6. Step 6: Final answer
    x = 26,191.41

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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.