Home / 31,784.55-47,684.62-14,679.45

Finding the Fourth Proportional to 31,784.55, 47,684.62 and 14,679.45

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Solution

The fourth proportional to 31,784.55, 47,684.62 and 14,679.45 is: 22,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.55 : 47,684.62 = 14,679.45 : x
  2. Step 2: Convert to fraction form
    31,784.55/47,684.62 = 14,679.45/x
  3. Step 3: Cross multiply
    31,784.55x = 47,684.62 × 14,679.45
  4. Step 4: Simplify right side
    31,784.55x = 699,984,188.81
  5. Step 5: Solve for x
    x = 699,984,188.81/31,784.55
  6. Step 6: Final answer
    x = 22,022.78

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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.