Home / 49,678.71-74,524.74-18,084.66

Finding the Fourth Proportional to 49,678.71, 74,524.74 and 18,084.66

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Solution

The fourth proportional to 49,678.71, 74,524.74 and 18,084.66 is: 27,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.71 : 74,524.74 = 18,084.66 : x
  2. Step 2: Convert to fraction form
    49,678.71/74,524.74 = 18,084.66/x
  3. Step 3: Cross multiply
    49,678.71x = 74,524.74 × 18,084.66
  4. Step 4: Simplify right side
    49,678.71x = 1,347,754,584.49
  5. Step 5: Solve for x
    x = 1,347,754,584.49/49,678.71
  6. Step 6: Final answer
    x = 27,129.42

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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.