Home / 37,278.20-51,443.52-20,282.96

Finding the Fourth Proportional to 37,278.20, 51,443.52 and 20,282.96

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Solution

The fourth proportional to 37,278.20, 51,443.52 and 20,282.96 is: 27,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.20 : 51,443.52 = 20,282.96 : x
  2. Step 2: Convert to fraction form
    37,278.20/51,443.52 = 20,282.96/x
  3. Step 3: Cross multiply
    37,278.20x = 51,443.52 × 20,282.96
  4. Step 4: Simplify right side
    37,278.20x = 1,043,426,858.42
  5. Step 5: Solve for x
    x = 1,043,426,858.42/37,278.20
  6. Step 6: Final answer
    x = 27,990.27

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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.