Home / 49,783.38-74,658.84-18,186.18

Finding the Fourth Proportional to 49,783.38, 74,658.84 and 18,186.18

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Solution

The fourth proportional to 49,783.38, 74,658.84 and 18,186.18 is: 27,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.38 : 74,658.84 = 18,186.18 : x
  2. Step 2: Convert to fraction form
    49,783.38/74,658.84 = 18,186.18/x
  3. Step 3: Cross multiply
    49,783.38x = 74,658.84 × 18,186.18
  4. Step 4: Simplify right side
    49,783.38x = 1,357,759,102.83
  5. Step 5: Solve for x
    x = 1,357,759,102.83/49,783.38
  6. Step 6: Final answer
    x = 27,273.34

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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.