Home / 36,796.41-50,778.45-21,689.71

Finding the Fourth Proportional to 36,796.41, 50,778.45 and 21,689.71

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Solution

The fourth proportional to 36,796.41, 50,778.45 and 21,689.71 is: 29,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,796.41 : 50,778.45 = 21,689.71 : x
  2. Step 2: Convert to fraction form
    36,796.41/50,778.45 = 21,689.71/x
  3. Step 3: Cross multiply
    36,796.41x = 50,778.45 × 21,689.71
  4. Step 4: Simplify right side
    36,796.41x = 1,101,369,727.80
  5. Step 5: Solve for x
    x = 1,101,369,727.80/36,796.41
  6. Step 6: Final answer
    x = 29,931.45

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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.