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Finding the Fourth Proportional to 31,998.66, 48,002.04 and 10,942.74

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Solution

The fourth proportional to 31,998.66, 48,002.04 and 10,942.74 is: 16,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.66 : 48,002.04 = 10,942.74 : x
  2. Step 2: Convert to fraction form
    31,998.66/48,002.04 = 10,942.74/x
  3. Step 3: Cross multiply
    31,998.66x = 48,002.04 × 10,942.74
  4. Step 4: Simplify right side
    31,998.66x = 525,273,843.19
  5. Step 5: Solve for x
    x = 525,273,843.19/31,998.66
  6. Step 6: Final answer
    x = 16,415.49

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1.5x scale

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.