Home / 31,565.11-43,575.62-19,632.29

Finding the Fourth Proportional to 31,565.11, 43,575.62 and 19,632.29

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Solution

The fourth proportional to 31,565.11, 43,575.62 and 19,632.29 is: 27,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.11 : 43,575.62 = 19,632.29 : x
  2. Step 2: Convert to fraction form
    31,565.11/43,575.62 = 19,632.29/x
  3. Step 3: Cross multiply
    31,565.11x = 43,575.62 × 19,632.29
  4. Step 4: Simplify right side
    31,565.11x = 855,489,208.77
  5. Step 5: Solve for x
    x = 855,489,208.77/31,565.11
  6. Step 6: Final answer
    x = 27,102.37

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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.