Home / 38,899.89-53,682.17-22,133.97

Finding the Fourth Proportional to 38,899.89, 53,682.17 and 22,133.97

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Solution

The fourth proportional to 38,899.89, 53,682.17 and 22,133.97 is: 30,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.89 : 53,682.17 = 22,133.97 : x
  2. Step 2: Convert to fraction form
    38,899.89/53,682.17 = 22,133.97/x
  3. Step 3: Cross multiply
    38,899.89x = 53,682.17 × 22,133.97
  4. Step 4: Simplify right side
    38,899.89x = 1,188,199,429.65
  5. Step 5: Solve for x
    x = 1,188,199,429.65/38,899.89
  6. Step 6: Final answer
    x = 30,545.06

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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.