Home / 55,950.96-83,926.64-20,890.24

Finding the Fourth Proportional to 55,950.96, 83,926.64 and 20,890.24

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Solution

The fourth proportional to 55,950.96, 83,926.64 and 20,890.24 is: 31,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.96 : 83,926.64 = 20,890.24 : x
  2. Step 2: Convert to fraction form
    55,950.96/83,926.64 = 20,890.24/x
  3. Step 3: Cross multiply
    55,950.96x = 83,926.64 × 20,890.24
  4. Step 4: Simplify right side
    55,950.96x = 1,753,247,651.99
  5. Step 5: Solve for x
    x = 1,753,247,651.99/55,950.96
  6. Step 6: Final answer
    x = 31,335.43

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Double scale
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Similar ratio
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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.