Home / 49,964.90-68,955.49-28,455.55

Finding the Fourth Proportional to 49,964.90, 68,955.49 and 28,455.55

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Solution

The fourth proportional to 49,964.90, 68,955.49 and 28,455.55 is: 39,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,964.90 : 68,955.49 = 28,455.55 : x
  2. Step 2: Convert to fraction form
    49,964.90/68,955.49 = 28,455.55/x
  3. Step 3: Cross multiply
    49,964.90x = 68,955.49 × 28,455.55
  4. Step 4: Simplify right side
    49,964.90x = 1,962,166,604.51
  5. Step 5: Solve for x
    x = 1,962,166,604.51/49,964.90
  6. Step 6: Final answer
    x = 39,270.90

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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.