Home / 49,609.06-68,472.30-28,400.56

Finding the Fourth Proportional to 49,609.06, 68,472.30 and 28,400.56

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Solution

The fourth proportional to 49,609.06, 68,472.30 and 28,400.56 is: 39,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.06 : 68,472.30 = 28,400.56 : x
  2. Step 2: Convert to fraction form
    49,609.06/68,472.30 = 28,400.56/x
  3. Step 3: Cross multiply
    49,609.06x = 68,472.30 × 28,400.56
  4. Step 4: Simplify right side
    49,609.06x = 1,944,651,664.49
  5. Step 5: Solve for x
    x = 1,944,651,664.49/49,609.06
  6. Step 6: Final answer
    x = 39,199.53

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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.