Home / 37,186.28-51,337.09-28,669.74

Finding the Fourth Proportional to 37,186.28, 51,337.09 and 28,669.74

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Solution

The fourth proportional to 37,186.28, 51,337.09 and 28,669.74 is: 39,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.28 : 51,337.09 = 28,669.74 : x
  2. Step 2: Convert to fraction form
    37,186.28/51,337.09 = 28,669.74/x
  3. Step 3: Cross multiply
    37,186.28x = 51,337.09 × 28,669.74
  4. Step 4: Simplify right side
    37,186.28x = 1,471,821,022.66
  5. Step 5: Solve for x
    x = 1,471,821,022.66/37,186.28
  6. Step 6: Final answer
    x = 39,579.68

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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.