Home / 36,151.96-49,890.73-20,236.47

Finding the Fourth Proportional to 36,151.96, 49,890.73 and 20,236.47

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Solution

The fourth proportional to 36,151.96, 49,890.73 and 20,236.47 is: 27,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.96 : 49,890.73 = 20,236.47 : x
  2. Step 2: Convert to fraction form
    36,151.96/49,890.73 = 20,236.47/x
  3. Step 3: Cross multiply
    36,151.96x = 49,890.73 × 20,236.47
  4. Step 4: Simplify right side
    36,151.96x = 1,009,612,011.47
  5. Step 5: Solve for x
    x = 1,009,612,011.47/36,151.96
  6. Step 6: Final answer
    x = 27,926.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.