Home / 31,484.60-47,226.82-11,764.70

Finding the Fourth Proportional to 31,484.60, 47,226.82 and 11,764.70

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Solution

The fourth proportional to 31,484.60, 47,226.82 and 11,764.70 is: 17,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.60 : 47,226.82 = 11,764.70 : x
  2. Step 2: Convert to fraction form
    31,484.60/47,226.82 = 11,764.70/x
  3. Step 3: Cross multiply
    31,484.60x = 47,226.82 × 11,764.70
  4. Step 4: Simplify right side
    31,484.60x = 555,609,369.25
  5. Step 5: Solve for x
    x = 555,609,369.25/31,484.60
  6. Step 6: Final answer
    x = 17,647.02

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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.