Home / 37,893.68-52,287.24-21,126.80

Finding the Fourth Proportional to 37,893.68, 52,287.24 and 21,126.80

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Solution

The fourth proportional to 37,893.68, 52,287.24 and 21,126.80 is: 29,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,893.68 : 52,287.24 = 21,126.80 : x
  2. Step 2: Convert to fraction form
    37,893.68/52,287.24 = 21,126.80/x
  3. Step 3: Cross multiply
    37,893.68x = 52,287.24 × 21,126.80
  4. Step 4: Simplify right side
    37,893.68x = 1,104,662,062.03
  5. Step 5: Solve for x
    x = 1,104,662,062.03/37,893.68
  6. Step 6: Final answer
    x = 29,151.62

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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.