Home / 37,141.12-51,251.70-20,374.12

Finding the Fourth Proportional to 37,141.12, 51,251.70 and 20,374.12

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Solution

The fourth proportional to 37,141.12, 51,251.70 and 20,374.12 is: 28,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141.12 : 51,251.70 = 20,374.12 : x
  2. Step 2: Convert to fraction form
    37,141.12/51,251.70 = 20,374.12/x
  3. Step 3: Cross multiply
    37,141.12x = 51,251.70 × 20,374.12
  4. Step 4: Simplify right side
    37,141.12x = 1,044,208,286.00
  5. Step 5: Solve for x
    x = 1,044,208,286.00/37,141.12
  6. Step 6: Final answer
    x = 28,114.61

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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.