Home / 31,424.10-47,080.80-16,600.38

Finding the Fourth Proportional to 31,424.10, 47,080.80 and 16,600.38

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Solution

The fourth proportional to 31,424.10, 47,080.80 and 16,600.38 is: 24,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.10 : 47,080.80 = 16,600.38 : x
  2. Step 2: Convert to fraction form
    31,424.10/47,080.80 = 16,600.38/x
  3. Step 3: Cross multiply
    31,424.10x = 47,080.80 × 16,600.38
  4. Step 4: Simplify right side
    31,424.10x = 781,559,170.70
  5. Step 5: Solve for x
    x = 781,559,170.70/31,424.10
  6. Step 6: Final answer
    x = 24,871.33

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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.