Home / 31,482.78-43,446.20-17,335.50

Finding the Fourth Proportional to 31,482.78, 43,446.20 and 17,335.50

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Solution

The fourth proportional to 31,482.78, 43,446.20 and 17,335.50 is: 23,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.78 : 43,446.20 = 17,335.50 : x
  2. Step 2: Convert to fraction form
    31,482.78/43,446.20 = 17,335.50/x
  3. Step 3: Cross multiply
    31,482.78x = 43,446.20 × 17,335.50
  4. Step 4: Simplify right side
    31,482.78x = 753,161,513.42
  5. Step 5: Solve for x
    x = 753,161,513.42/31,482.78
  6. Step 6: Final answer
    x = 23,922.97

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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.