Home / 38,796.21-53,538.75-21,800.52

Finding the Fourth Proportional to 38,796.21, 53,538.75 and 21,800.52

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Solution

The fourth proportional to 38,796.21, 53,538.75 and 21,800.52 is: 30,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,796.21 : 53,538.75 = 21,800.52 : x
  2. Step 2: Convert to fraction form
    38,796.21/53,538.75 = 21,800.52/x
  3. Step 3: Cross multiply
    38,796.21x = 53,538.75 × 21,800.52
  4. Step 4: Simplify right side
    38,796.21x = 1,167,172,590.15
  5. Step 5: Solve for x
    x = 1,167,172,590.15/38,796.21
  6. Step 6: Final answer
    x = 30,084.71

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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.