Home / 38,854.14-53,617.51-21,859.33

Finding the Fourth Proportional to 38,854.14, 53,617.51 and 21,859.33

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Solution

The fourth proportional to 38,854.14, 53,617.51 and 21,859.33 is: 30,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.14 : 53,617.51 = 21,859.33 : x
  2. Step 2: Convert to fraction form
    38,854.14/53,617.51 = 21,859.33/x
  3. Step 3: Cross multiply
    38,854.14x = 53,617.51 × 21,859.33
  4. Step 4: Simplify right side
    38,854.14x = 1,172,042,467.48
  5. Step 5: Solve for x
    x = 1,172,042,467.48/38,854.14
  6. Step 6: Final answer
    x = 30,165.19

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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.