Home / 36,120.26-49,848.40-20,206.20

Finding the Fourth Proportional to 36,120.26, 49,848.40 and 20,206.20

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Solution

The fourth proportional to 36,120.26, 49,848.40 and 20,206.20 is: 27,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.26 : 49,848.40 = 20,206.20 : x
  2. Step 2: Convert to fraction form
    36,120.26/49,848.40 = 20,206.20/x
  3. Step 3: Cross multiply
    36,120.26x = 49,848.40 × 20,206.20
  4. Step 4: Simplify right side
    36,120.26x = 1,007,246,740.08
  5. Step 5: Solve for x
    x = 1,007,246,740.08/36,120.26
  6. Step 6: Final answer
    x = 27,885.92

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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.