Home / 38,900.39-53,682.86-22,134.47

Finding the Fourth Proportional to 38,900.39, 53,682.86 and 22,134.47

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Solution

The fourth proportional to 38,900.39, 53,682.86 and 22,134.47 is: 30,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,900.39 : 53,682.86 = 22,134.47 : x
  2. Step 2: Convert to fraction form
    38,900.39/53,682.86 = 22,134.47/x
  3. Step 3: Cross multiply
    38,900.39x = 53,682.86 × 22,134.47
  4. Step 4: Simplify right side
    38,900.39x = 1,188,241,654.18
  5. Step 5: Solve for x
    x = 1,188,241,654.18/38,900.39
  6. Step 6: Final answer
    x = 30,545.75

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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.