Home / 36,905.19-55,382.22-20,276.82

Finding the Fourth Proportional to 36,905.19, 55,382.22 and 20,276.82

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Solution

The fourth proportional to 36,905.19, 55,382.22 and 20,276.82 is: 30,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.19 : 55,382.22 = 20,276.82 : x
  2. Step 2: Convert to fraction form
    36,905.19/55,382.22 = 20,276.82/x
  3. Step 3: Cross multiply
    36,905.19x = 55,382.22 × 20,276.82
  4. Step 4: Simplify right side
    36,905.19x = 1,122,975,306.14
  5. Step 5: Solve for x
    x = 1,122,975,306.14/36,905.19
  6. Step 6: Final answer
    x = 30,428.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.