Home / 39,398.40-54,301.32-33,799.68

Finding the Fourth Proportional to 39,398.40, 54,301.32 and 33,799.68

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Solution

The fourth proportional to 39,398.40, 54,301.32 and 33,799.68 is: 46,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.40 : 54,301.32 = 33,799.68 : x
  2. Step 2: Convert to fraction form
    39,398.40/54,301.32 = 33,799.68/x
  3. Step 3: Cross multiply
    39,398.40x = 54,301.32 × 33,799.68
  4. Step 4: Simplify right side
    39,398.40x = 1,835,367,239.58
  5. Step 5: Solve for x
    x = 1,835,367,239.58/39,398.40
  6. Step 6: Final answer
    x = 46,584.82

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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.