Home / 37,821.28-52,195.44-21,053.92

Finding the Fourth Proportional to 37,821.28, 52,195.44 and 21,053.92

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Solution

The fourth proportional to 37,821.28, 52,195.44 and 21,053.92 is: 29,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.28 : 52,195.44 = 21,053.92 : x
  2. Step 2: Convert to fraction form
    37,821.28/52,195.44 = 21,053.92/x
  3. Step 3: Cross multiply
    37,821.28x = 52,195.44 × 21,053.92
  4. Step 4: Simplify right side
    37,821.28x = 1,098,918,618.12
  5. Step 5: Solve for x
    x = 1,098,918,618.12/37,821.28
  6. Step 6: Final answer
    x = 29,055.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.