Home / 36,120.30-49,848.62-20,209.88

Finding the Fourth Proportional to 36,120.30, 49,848.62 and 20,209.88

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Solution

The fourth proportional to 36,120.30, 49,848.62 and 20,209.88 is: 27,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.30 : 49,848.62 = 20,209.88 : x
  2. Step 2: Convert to fraction form
    36,120.30/49,848.62 = 20,209.88/x
  3. Step 3: Cross multiply
    36,120.30x = 49,848.62 × 20,209.88
  4. Step 4: Simplify right side
    36,120.30x = 1,007,434,278.07
  5. Step 5: Solve for x
    x = 1,007,434,278.07/36,120.30
  6. Step 6: Final answer
    x = 27,891.08

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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.