Home / 39,799.22-54,924.36-21,895.58

Finding the Fourth Proportional to 39,799.22, 54,924.36 and 21,895.58

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Solution

The fourth proportional to 39,799.22, 54,924.36 and 21,895.58 is: 30,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.22 : 54,924.36 = 21,895.58 : x
  2. Step 2: Convert to fraction form
    39,799.22/54,924.36 = 21,895.58/x
  3. Step 3: Cross multiply
    39,799.22x = 54,924.36 × 21,895.58
  4. Step 4: Simplify right side
    39,799.22x = 1,202,600,718.33
  5. Step 5: Solve for x
    x = 1,202,600,718.33/39,799.22
  6. Step 6: Final answer
    x = 30,216.69

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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.