Home / 37,278.90-51,444.99-20,283.26

Finding the Fourth Proportional to 37,278.90, 51,444.99 and 20,283.26

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Solution

The fourth proportional to 37,278.90, 51,444.99 and 20,283.26 is: 27,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.90 : 51,444.99 = 20,283.26 : x
  2. Step 2: Convert to fraction form
    37,278.90/51,444.99 = 20,283.26/x
  3. Step 3: Cross multiply
    37,278.90x = 51,444.99 × 20,283.26
  4. Step 4: Simplify right side
    37,278.90x = 1,043,471,850.64
  5. Step 5: Solve for x
    x = 1,043,471,850.64/37,278.90
  6. Step 6: Final answer
    x = 27,990.95

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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.