Home / 48,949.14-73,433.16-20,868.72

Finding the Fourth Proportional to 48,949.14, 73,433.16 and 20,868.72

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Solution

The fourth proportional to 48,949.14, 73,433.16 and 20,868.72 is: 31,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,949.14 : 73,433.16 = 20,868.72 : x
  2. Step 2: Convert to fraction form
    48,949.14/73,433.16 = 20,868.72/x
  3. Step 3: Cross multiply
    48,949.14x = 73,433.16 × 20,868.72
  4. Step 4: Simplify right side
    48,949.14x = 1,532,456,054.76
  5. Step 5: Solve for x
    x = 1,532,456,054.76/48,949.14
  6. Step 6: Final answer
    x = 31,307.11

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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.