Home / 54,697.07-82,012.75-21,377.43

Finding the Fourth Proportional to 54,697.07, 82,012.75 and 21,377.43

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Solution

The fourth proportional to 54,697.07, 82,012.75 and 21,377.43 is: 32,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,697.07 : 82,012.75 = 21,377.43 : x
  2. Step 2: Convert to fraction form
    54,697.07/82,012.75 = 21,377.43/x
  3. Step 3: Cross multiply
    54,697.07x = 82,012.75 × 21,377.43
  4. Step 4: Simplify right side
    54,697.07x = 1,753,221,822.23
  5. Step 5: Solve for x
    x = 1,753,221,822.23/54,697.07
  6. Step 6: Final answer
    x = 32,053.30

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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.