Home / 31,748.46-43,810.48-17,406

Finding the Fourth Proportional to 31,748.46, 43,810.48 and 17,406

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Solution

The fourth proportional to 31,748.46, 43,810.48 and 17,406 is: 24,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.46 : 43,810.48 = 17,406 : x
  2. Step 2: Convert to fraction form
    31,748.46/43,810.48 = 17,406/x
  3. Step 3: Cross multiply
    31,748.46x = 43,810.48 × 17,406
  4. Step 4: Simplify right side
    31,748.46x = 762,565,214.88
  5. Step 5: Solve for x
    x = 762,565,214.88/31,748.46
  6. Step 6: Final answer
    x = 24,018.97

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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.