Home / 55,220.13-82,822.21-17,775.34

Finding the Fourth Proportional to 55,220.13, 82,822.21 and 17,775.34

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Solution

The fourth proportional to 55,220.13, 82,822.21 and 17,775.34 is: 26,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220.13 : 82,822.21 = 17,775.34 : x
  2. Step 2: Convert to fraction form
    55,220.13/82,822.21 = 17,775.34/x
  3. Step 3: Cross multiply
    55,220.13x = 82,822.21 × 17,775.34
  4. Step 4: Simplify right side
    55,220.13x = 1,472,192,690.81
  5. Step 5: Solve for x
    x = 1,472,192,690.81/55,220.13
  6. Step 6: Final answer
    x = 26,660.44

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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.