Home / 36,158.67-49,890.38-21,042.18

Finding the Fourth Proportional to 36,158.67, 49,890.38 and 21,042.18

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Solution

The fourth proportional to 36,158.67, 49,890.38 and 21,042.18 is: 29,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.67 : 49,890.38 = 21,042.18 : x
  2. Step 2: Convert to fraction form
    36,158.67/49,890.38 = 21,042.18/x
  3. Step 3: Cross multiply
    36,158.67x = 49,890.38 × 21,042.18
  4. Step 4: Simplify right side
    36,158.67x = 1,049,802,251.02
  5. Step 5: Solve for x
    x = 1,049,802,251.02/36,158.67
  6. Step 6: Final answer
    x = 29,033.21

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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.