Home / 49,493.99-68,305.32-28,272.80

Finding the Fourth Proportional to 49,493.99, 68,305.32 and 28,272.80

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Solution

The fourth proportional to 49,493.99, 68,305.32 and 28,272.80 is: 39,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,493.99 : 68,305.32 = 28,272.80 : x
  2. Step 2: Convert to fraction form
    49,493.99/68,305.32 = 28,272.80/x
  3. Step 3: Cross multiply
    49,493.99x = 68,305.32 × 28,272.80
  4. Step 4: Simplify right side
    49,493.99x = 1,931,182,309.77
  5. Step 5: Solve for x
    x = 1,931,182,309.77/49,493.99
  6. Step 6: Final answer
    x = 39,018.53

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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.