Home / 31,778.34-43,853.49-17,631.06

Finding the Fourth Proportional to 31,778.34, 43,853.49 and 17,631.06

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Solution

The fourth proportional to 31,778.34, 43,853.49 and 17,631.06 is: 24,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.34 : 43,853.49 = 17,631.06 : x
  2. Step 2: Convert to fraction form
    31,778.34/43,853.49 = 17,631.06/x
  3. Step 3: Cross multiply
    31,778.34x = 43,853.49 × 17,631.06
  4. Step 4: Simplify right side
    31,778.34x = 773,183,513.40
  5. Step 5: Solve for x
    x = 773,183,513.40/31,778.34
  6. Step 6: Final answer
    x = 24,330.52

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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.