Home / 31,778.34-47,615.67-16,174.50

Finding the Fourth Proportional to 31,778.34, 47,615.67 and 16,174.50

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Solution

The fourth proportional to 31,778.34, 47,615.67 and 16,174.50 is: 24,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.34 : 47,615.67 = 16,174.50 : x
  2. Step 2: Convert to fraction form
    31,778.34/47,615.67 = 16,174.50/x
  3. Step 3: Cross multiply
    31,778.34x = 47,615.67 × 16,174.50
  4. Step 4: Simplify right side
    31,778.34x = 770,159,654.42
  5. Step 5: Solve for x
    x = 770,159,654.42/31,778.34
  6. Step 6: Final answer
    x = 24,235.36

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1.5x scale

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.