Home / 31,923.18-47,906.64-11,146.68

Finding the Fourth Proportional to 31,923.18, 47,906.64 and 11,146.68

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Solution

The fourth proportional to 31,923.18, 47,906.64 and 11,146.68 is: 16,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923.18 : 47,906.64 = 11,146.68 : x
  2. Step 2: Convert to fraction form
    31,923.18/47,906.64 = 11,146.68/x
  3. Step 3: Cross multiply
    31,923.18x = 47,906.64 × 11,146.68
  4. Step 4: Simplify right side
    31,923.18x = 533,999,985.96
  5. Step 5: Solve for x
    x = 533,999,985.96/31,923.18
  6. Step 6: Final answer
    x = 16,727.66

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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.