Home / 36,732.06-50,686.47-20,817.90

Finding the Fourth Proportional to 36,732.06, 50,686.47 and 20,817.90

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Solution

The fourth proportional to 36,732.06, 50,686.47 and 20,817.90 is: 28,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,732.06 : 50,686.47 = 20,817.90 : x
  2. Step 2: Convert to fraction form
    36,732.06/50,686.47 = 20,817.90/x
  3. Step 3: Cross multiply
    36,732.06x = 50,686.47 × 20,817.90
  4. Step 4: Simplify right side
    36,732.06x = 1,055,185,863.81
  5. Step 5: Solve for x
    x = 1,055,185,863.81/36,732.06
  6. Step 6: Final answer
    x = 28,726.56

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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.