Home / 32,945.66-49,418.59-7,985.61

Finding the Fourth Proportional to 32,945.66, 49,418.59 and 7,985.61

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Solution

The fourth proportional to 32,945.66, 49,418.59 and 7,985.61 is: 11,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.66 : 49,418.59 = 7,985.61 : x
  2. Step 2: Convert to fraction form
    32,945.66/49,418.59 = 7,985.61/x
  3. Step 3: Cross multiply
    32,945.66x = 49,418.59 × 7,985.61
  4. Step 4: Simplify right side
    32,945.66x = 394,637,586.49
  5. Step 5: Solve for x
    x = 394,637,586.49/32,945.66
  6. Step 6: Final answer
    x = 11,978.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.