Home / 36,151.71-49,890.50-21,049.66

Finding the Fourth Proportional to 36,151.71, 49,890.50 and 21,049.66

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Solution

The fourth proportional to 36,151.71, 49,890.50 and 21,049.66 is: 29,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.71 : 49,890.50 = 21,049.66 : x
  2. Step 2: Convert to fraction form
    36,151.71/49,890.50 = 21,049.66/x
  3. Step 3: Cross multiply
    36,151.71x = 49,890.50 × 21,049.66
  4. Step 4: Simplify right side
    36,151.71x = 1,050,178,062.23
  5. Step 5: Solve for x
    x = 1,050,178,062.23/36,151.71
  6. Step 6: Final answer
    x = 29,049.19

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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.