Home / 49,678.54-74,517.83-12,239.34

Finding the Fourth Proportional to 49,678.54, 74,517.83 and 12,239.34

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Solution

The fourth proportional to 49,678.54, 74,517.83 and 12,239.34 is: 18,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.54 : 74,517.83 = 12,239.34 : x
  2. Step 2: Convert to fraction form
    49,678.54/74,517.83 = 12,239.34/x
  3. Step 3: Cross multiply
    49,678.54x = 74,517.83 × 12,239.34
  4. Step 4: Simplify right side
    49,678.54x = 912,049,057.43
  5. Step 5: Solve for x
    x = 912,049,057.43/49,678.54
  6. Step 6: Final answer
    x = 18,359.01

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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.