Home / 31,679.42-47,486.18-16,693.34

Finding the Fourth Proportional to 31,679.42, 47,486.18 and 16,693.34

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Solution

The fourth proportional to 31,679.42, 47,486.18 and 16,693.34 is: 25,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.42 : 47,486.18 = 16,693.34 : x
  2. Step 2: Convert to fraction form
    31,679.42/47,486.18 = 16,693.34/x
  3. Step 3: Cross multiply
    31,679.42x = 47,486.18 × 16,693.34
  4. Step 4: Simplify right side
    31,679.42x = 792,702,752.34
  5. Step 5: Solve for x
    x = 792,702,752.34/31,679.42
  6. Step 6: Final answer
    x = 25,022.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.