Home / 31,996.96-44,143.68-19,417.12

Finding the Fourth Proportional to 31,996.96, 44,143.68 and 19,417.12

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Solution

The fourth proportional to 31,996.96, 44,143.68 and 19,417.12 is: 26,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.96 : 44,143.68 = 19,417.12 : x
  2. Step 2: Convert to fraction form
    31,996.96/44,143.68 = 19,417.12/x
  3. Step 3: Cross multiply
    31,996.96x = 44,143.68 × 19,417.12
  4. Step 4: Simplify right side
    31,996.96x = 857,143,131.80
  5. Step 5: Solve for x
    x = 857,143,131.80/31,996.96
  6. Step 6: Final answer
    x = 26,788.27

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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.