Home / 31,996.91-44,144.84-19,419.23

Finding the Fourth Proportional to 31,996.91, 44,144.84 and 19,419.23

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Solution

The fourth proportional to 31,996.91, 44,144.84 and 19,419.23 is: 26,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.91 : 44,144.84 = 19,419.23 : x
  2. Step 2: Convert to fraction form
    31,996.91/44,144.84 = 19,419.23/x
  3. Step 3: Cross multiply
    31,996.91x = 44,144.84 × 19,419.23
  4. Step 4: Simplify right side
    31,996.91x = 857,258,483.45
  5. Step 5: Solve for x
    x = 857,258,483.45/31,996.91
  6. Step 6: Final answer
    x = 26,791.92

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Half scale
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Double scale
Find fourth proportional to 31,997.91, 44,146.21 and 19,420.23
Similar ratio
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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.