Home / 55,914.24-83,821.44-20,855.52

Finding the Fourth Proportional to 55,914.24, 83,821.44 and 20,855.52

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Solution

The fourth proportional to 55,914.24, 83,821.44 and 20,855.52 is: 31,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.24 : 83,821.44 = 20,855.52 : x
  2. Step 2: Convert to fraction form
    55,914.24/83,821.44 = 20,855.52/x
  3. Step 3: Cross multiply
    55,914.24x = 83,821.44 × 20,855.52
  4. Step 4: Simplify right side
    55,914.24x = 1,748,139,718.35
  5. Step 5: Solve for x
    x = 1,748,139,718.35/55,914.24
  6. Step 6: Final answer
    x = 31,264.66

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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.