Home / 37,282.17-51,449.31-20,515.17

Finding the Fourth Proportional to 37,282.17, 51,449.31 and 20,515.17

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Solution

The fourth proportional to 37,282.17, 51,449.31 and 20,515.17 is: 28,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,282.17 : 51,449.31 = 20,515.17 : x
  2. Step 2: Convert to fraction form
    37,282.17/51,449.31 = 20,515.17/x
  3. Step 3: Cross multiply
    37,282.17x = 51,449.31 × 20,515.17
  4. Step 4: Simplify right side
    37,282.17x = 1,055,491,341.03
  5. Step 5: Solve for x
    x = 1,055,491,341.03/37,282.17
  6. Step 6: Final answer
    x = 28,310.89

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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.