Home / 38,799.47-53,544.34-21,805.27

Finding the Fourth Proportional to 38,799.47, 53,544.34 and 21,805.27

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Solution

The fourth proportional to 38,799.47, 53,544.34 and 21,805.27 is: 30,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799.47 : 53,544.34 = 21,805.27 : x
  2. Step 2: Convert to fraction form
    38,799.47/53,544.34 = 21,805.27/x
  3. Step 3: Cross multiply
    38,799.47x = 53,544.34 × 21,805.27
  4. Step 4: Simplify right side
    38,799.47x = 1,167,548,602.30
  5. Step 5: Solve for x
    x = 1,167,548,602.30/38,799.47
  6. Step 6: Final answer
    x = 30,091.87

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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.