Home / 36,890.34-50,891.38-21,772.70

Finding the Fourth Proportional to 36,890.34, 50,891.38 and 21,772.70

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Solution

The fourth proportional to 36,890.34, 50,891.38 and 21,772.70 is: 30,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.34 : 50,891.38 = 21,772.70 : x
  2. Step 2: Convert to fraction form
    36,890.34/50,891.38 = 21,772.70/x
  3. Step 3: Cross multiply
    36,890.34x = 50,891.38 × 21,772.70
  4. Step 4: Simplify right side
    36,890.34x = 1,108,042,640.46
  5. Step 5: Solve for x
    x = 1,108,042,640.46/36,890.34
  6. Step 6: Final answer
    x = 30,036.12

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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.