Home / 49,611.51-74,419.70-20,025.65

Finding the Fourth Proportional to 49,611.51, 74,419.70 and 20,025.65

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Solution

The fourth proportional to 49,611.51, 74,419.70 and 20,025.65 is: 30,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,611.51 : 74,419.70 = 20,025.65 : x
  2. Step 2: Convert to fraction form
    49,611.51/74,419.70 = 20,025.65/x
  3. Step 3: Cross multiply
    49,611.51x = 74,419.70 × 20,025.65
  4. Step 4: Simplify right side
    49,611.51x = 1,490,302,951.23
  5. Step 5: Solve for x
    x = 1,490,302,951.23/49,611.51
  6. Step 6: Final answer
    x = 30,039.46

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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.