Home / 36,033.96-49,726.40-20,118.68

Finding the Fourth Proportional to 36,033.96, 49,726.40 and 20,118.68

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Solution

The fourth proportional to 36,033.96, 49,726.40 and 20,118.68 is: 27,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,033.96 : 49,726.40 = 20,118.68 : x
  2. Step 2: Convert to fraction form
    36,033.96/49,726.40 = 20,118.68/x
  3. Step 3: Cross multiply
    36,033.96x = 49,726.40 × 20,118.68
  4. Step 4: Simplify right side
    36,033.96x = 1,000,429,529.15
  5. Step 5: Solve for x
    x = 1,000,429,529.15/36,033.96
  6. Step 6: Final answer
    x = 27,763.52

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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.