Home / 38,882.97-53,655.71-21,886.34

Finding the Fourth Proportional to 38,882.97, 53,655.71 and 21,886.34

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Solution

The fourth proportional to 38,882.97, 53,655.71 and 21,886.34 is: 30,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.97 : 53,655.71 = 21,886.34 : x
  2. Step 2: Convert to fraction form
    38,882.97/53,655.71 = 21,886.34/x
  3. Step 3: Cross multiply
    38,882.97x = 53,655.71 × 21,886.34
  4. Step 4: Simplify right side
    38,882.97x = 1,174,326,734.29
  5. Step 5: Solve for x
    x = 1,174,326,734.29/38,882.97
  6. Step 6: Final answer
    x = 30,201.57

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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.