Home / 37,283.28-51,451.14-20,287.65

Finding the Fourth Proportional to 37,283.28, 51,451.14 and 20,287.65

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Solution

The fourth proportional to 37,283.28, 51,451.14 and 20,287.65 is: 27,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.28 : 51,451.14 = 20,287.65 : x
  2. Step 2: Convert to fraction form
    37,283.28/51,451.14 = 20,287.65/x
  3. Step 3: Cross multiply
    37,283.28x = 51,451.14 × 20,287.65
  4. Step 4: Simplify right side
    37,283.28x = 1,043,822,720.42
  5. Step 5: Solve for x
    x = 1,043,822,720.42/37,283.28
  6. Step 6: Final answer
    x = 27,997.07

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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.