Home / 38,633.17-53,304.64-21,866.17

Finding the Fourth Proportional to 38,633.17, 53,304.64 and 21,866.17

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Solution

The fourth proportional to 38,633.17, 53,304.64 and 21,866.17 is: 30,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.17 : 53,304.64 = 21,866.17 : x
  2. Step 2: Convert to fraction form
    38,633.17/53,304.64 = 21,866.17/x
  3. Step 3: Cross multiply
    38,633.17x = 53,304.64 × 21,866.17
  4. Step 4: Simplify right side
    38,633.17x = 1,165,568,320.03
  5. Step 5: Solve for x
    x = 1,165,568,320.03/38,633.17
  6. Step 6: Final answer
    x = 30,170.14

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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.