Home / 49,848.01-74,786.13-20,287.06

Finding the Fourth Proportional to 49,848.01, 74,786.13 and 20,287.06

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Solution

The fourth proportional to 49,848.01, 74,786.13 and 20,287.06 is: 30,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,848.01 : 74,786.13 = 20,287.06 : x
  2. Step 2: Convert to fraction form
    49,848.01/74,786.13 = 20,287.06/x
  3. Step 3: Cross multiply
    49,848.01x = 74,786.13 × 20,287.06
  4. Step 4: Simplify right side
    49,848.01x = 1,517,190,706.48
  5. Step 5: Solve for x
    x = 1,517,190,706.48/49,848.01
  6. Step 6: Final answer
    x = 30,436.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.