Home / 49,972.10-68,961.38-28,461.84

Finding the Fourth Proportional to 49,972.10, 68,961.38 and 28,461.84

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Solution

The fourth proportional to 49,972.10, 68,961.38 and 28,461.84 is: 39,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,972.10 : 68,961.38 = 28,461.84 : x
  2. Step 2: Convert to fraction form
    49,972.10/68,961.38 = 28,461.84/x
  3. Step 3: Cross multiply
    49,972.10x = 68,961.38 × 28,461.84
  4. Step 4: Simplify right side
    49,972.10x = 1,962,767,362.82
  5. Step 5: Solve for x
    x = 1,962,767,362.82/49,972.10
  6. Step 6: Final answer
    x = 39,277.27

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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.