Home / 36,151.12-49,890.76-20,236.56

Finding the Fourth Proportional to 36,151.12, 49,890.76 and 20,236.56

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Solution

The fourth proportional to 36,151.12, 49,890.76 and 20,236.56 is: 27,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.12 : 49,890.76 = 20,236.56 : x
  2. Step 2: Convert to fraction form
    36,151.12/49,890.76 = 20,236.56/x
  3. Step 3: Cross multiply
    36,151.12x = 49,890.76 × 20,236.56
  4. Step 4: Simplify right side
    36,151.12x = 1,009,617,358.19
  5. Step 5: Solve for x
    x = 1,009,617,358.19/36,151.12
  6. Step 6: Final answer
    x = 27,927.69

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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.