Home / 31,481.84-43,445.90-17,335.19

Finding the Fourth Proportional to 31,481.84, 43,445.90 and 17,335.19

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Solution

The fourth proportional to 31,481.84, 43,445.90 and 17,335.19 is: 23,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.84 : 43,445.90 = 17,335.19 : x
  2. Step 2: Convert to fraction form
    31,481.84/43,445.90 = 17,335.19/x
  3. Step 3: Cross multiply
    31,481.84x = 43,445.90 × 17,335.19
  4. Step 4: Simplify right side
    31,481.84x = 753,142,844.55
  5. Step 5: Solve for x
    x = 753,142,844.55/31,481.84
  6. Step 6: Final answer
    x = 23,923.09

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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.