Home / 54,695.07-82,009.76-21,375.43

Finding the Fourth Proportional to 54,695.07, 82,009.76 and 21,375.43

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Solution

The fourth proportional to 54,695.07, 82,009.76 and 21,375.43 is: 32,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,695.07 : 82,009.76 = 21,375.43 : x
  2. Step 2: Convert to fraction form
    54,695.07/82,009.76 = 21,375.43/x
  3. Step 3: Cross multiply
    54,695.07x = 82,009.76 × 21,375.43
  4. Step 4: Simplify right side
    54,695.07x = 1,752,993,572.30
  5. Step 5: Solve for x
    x = 1,752,993,572.30/54,695.07
  6. Step 6: Final answer
    x = 32,050.30

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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.