Home / 55,429.98-83,093.13-20,360.22

Finding the Fourth Proportional to 55,429.98, 83,093.13 and 20,360.22

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Solution

The fourth proportional to 55,429.98, 83,093.13 and 20,360.22 is: 30,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.98 : 83,093.13 = 20,360.22 : x
  2. Step 2: Convert to fraction form
    55,429.98/83,093.13 = 20,360.22/x
  3. Step 3: Cross multiply
    55,429.98x = 83,093.13 × 20,360.22
  4. Step 4: Simplify right side
    55,429.98x = 1,691,794,407.29
  5. Step 5: Solve for x
    x = 1,691,794,407.29/55,429.98
  6. Step 6: Final answer
    x = 30,521.29

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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.