Home / 32,694.76-45,112.80-21,361.24

Finding the Fourth Proportional to 32,694.76, 45,112.80 and 21,361.24

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Solution

The fourth proportional to 32,694.76, 45,112.80 and 21,361.24 is: 29,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,694.76 : 45,112.80 = 21,361.24 : x
  2. Step 2: Convert to fraction form
    32,694.76/45,112.80 = 21,361.24/x
  3. Step 3: Cross multiply
    32,694.76x = 45,112.80 × 21,361.24
  4. Step 4: Simplify right side
    32,694.76x = 963,665,347.87
  5. Step 5: Solve for x
    x = 963,665,347.87/32,694.76
  6. Step 6: Final answer
    x = 29,474.61

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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.