Home / 31,443.86-47,110.26-16,619.96

Finding the Fourth Proportional to 31,443.86, 47,110.26 and 16,619.96

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Solution

The fourth proportional to 31,443.86, 47,110.26 and 16,619.96 is: 24,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.86 : 47,110.26 = 16,619.96 : x
  2. Step 2: Convert to fraction form
    31,443.86/47,110.26 = 16,619.96/x
  3. Step 3: Cross multiply
    31,443.86x = 47,110.26 × 16,619.96
  4. Step 4: Simplify right side
    31,443.86x = 782,970,636.79
  5. Step 5: Solve for x
    x = 782,970,636.79/31,443.86
  6. Step 6: Final answer
    x = 24,900.59

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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.