Home / 31,996.56-44,134.70-19,421.31

Finding the Fourth Proportional to 31,996.56, 44,134.70 and 19,421.31

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Solution

The fourth proportional to 31,996.56, 44,134.70 and 19,421.31 is: 26,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.56 : 44,134.70 = 19,421.31 : x
  2. Step 2: Convert to fraction form
    31,996.56/44,134.70 = 19,421.31/x
  3. Step 3: Cross multiply
    31,996.56x = 44,134.70 × 19,421.31
  4. Step 4: Simplify right side
    31,996.56x = 857,153,593.35
  5. Step 5: Solve for x
    x = 857,153,593.35/31,996.56
  6. Step 6: Final answer
    x = 26,788.93

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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.