Home / 38,694.38-53,398.26-22,788.63

Finding the Fourth Proportional to 38,694.38, 53,398.26 and 22,788.63

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Solution

The fourth proportional to 38,694.38, 53,398.26 and 22,788.63 is: 31,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694.38 : 53,398.26 = 22,788.63 : x
  2. Step 2: Convert to fraction form
    38,694.38/53,398.26 = 22,788.63/x
  3. Step 3: Cross multiply
    38,694.38x = 53,398.26 × 22,788.63
  4. Step 4: Simplify right side
    38,694.38x = 1,216,873,189.78
  5. Step 5: Solve for x
    x = 1,216,873,189.78/38,694.38
  6. Step 6: Final answer
    x = 31,448.32

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Double scale
Find fourth proportional to 38,695.38, 53,399.64 and 22,789.63
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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.