Home / 55,192.80-82,748.70-21,896.40

Finding the Fourth Proportional to 55,192.80, 82,748.70 and 21,896.40

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Solution

The fourth proportional to 55,192.80, 82,748.70 and 21,896.40 is: 32,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.80 : 82,748.70 = 21,896.40 : x
  2. Step 2: Convert to fraction form
    55,192.80/82,748.70 = 21,896.40/x
  3. Step 3: Cross multiply
    55,192.80x = 82,748.70 × 21,896.40
  4. Step 4: Simplify right side
    55,192.80x = 1,811,898,634.68
  5. Step 5: Solve for x
    x = 1,811,898,634.68/55,192.80
  6. Step 6: Final answer
    x = 32,828.53

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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.