Home / 31,550.45-43,535.14-19,609.43

Finding the Fourth Proportional to 31,550.45, 43,535.14 and 19,609.43

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Solution

The fourth proportional to 31,550.45, 43,535.14 and 19,609.43 is: 27,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.45 : 43,535.14 = 19,609.43 : x
  2. Step 2: Convert to fraction form
    31,550.45/43,535.14 = 19,609.43/x
  3. Step 3: Cross multiply
    31,550.45x = 43,535.14 × 19,609.43
  4. Step 4: Simplify right side
    31,550.45x = 853,699,013.67
  5. Step 5: Solve for x
    x = 853,699,013.67/31,550.45
  6. Step 6: Final answer
    x = 27,058.22

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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.