Home / 31,748.80-47,623.20-16,002.40

Finding the Fourth Proportional to 31,748.80, 47,623.20 and 16,002.40

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Solution

The fourth proportional to 31,748.80, 47,623.20 and 16,002.40 is: 24,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.80 : 47,623.20 = 16,002.40 : x
  2. Step 2: Convert to fraction form
    31,748.80/47,623.20 = 16,002.40/x
  3. Step 3: Cross multiply
    31,748.80x = 47,623.20 × 16,002.40
  4. Step 4: Simplify right side
    31,748.80x = 762,085,495.68
  5. Step 5: Solve for x
    x = 762,085,495.68/31,748.80
  6. Step 6: Final answer
    x = 24,003.60

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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.