Home / 37,785.31-52,147.41-28,208.58

Finding the Fourth Proportional to 37,785.31, 52,147.41 and 28,208.58

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Solution

The fourth proportional to 37,785.31, 52,147.41 and 28,208.58 is: 38,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,785.31 : 52,147.41 = 28,208.58 : x
  2. Step 2: Convert to fraction form
    37,785.31/52,147.41 = 28,208.58/x
  3. Step 3: Cross multiply
    37,785.31x = 52,147.41 × 28,208.58
  4. Step 4: Simplify right side
    37,785.31x = 1,471,004,386.78
  5. Step 5: Solve for x
    x = 1,471,004,386.78/37,785.31
  6. Step 6: Final answer
    x = 38,930.59

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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.