Home / 31,816.65-47,731.11-12,093.66

Finding the Fourth Proportional to 31,816.65, 47,731.11 and 12,093.66

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Solution

The fourth proportional to 31,816.65, 47,731.11 and 12,093.66 is: 18,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.65 : 47,731.11 = 12,093.66 : x
  2. Step 2: Convert to fraction form
    31,816.65/47,731.11 = 12,093.66/x
  3. Step 3: Cross multiply
    31,816.65x = 47,731.11 × 12,093.66
  4. Step 4: Simplify right side
    31,816.65x = 577,243,852.75
  5. Step 5: Solve for x
    x = 577,243,852.75/31,816.65
  6. Step 6: Final answer
    x = 18,142.82

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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.