Home / 34,900.14-48,146.31-20,744.94

Finding the Fourth Proportional to 34,900.14, 48,146.31 and 20,744.94

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Solution

The fourth proportional to 34,900.14, 48,146.31 and 20,744.94 is: 28,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.14 : 48,146.31 = 20,744.94 : x
  2. Step 2: Convert to fraction form
    34,900.14/48,146.31 = 20,744.94/x
  3. Step 3: Cross multiply
    34,900.14x = 48,146.31 × 20,744.94
  4. Step 4: Simplify right side
    34,900.14x = 998,792,312.17
  5. Step 5: Solve for x
    x = 998,792,312.17/34,900.14
  6. Step 6: Final answer
    x = 28,618.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.