Home / 31,848.41-47,793.42-12,127.16

Finding the Fourth Proportional to 31,848.41, 47,793.42 and 12,127.16

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Solution

The fourth proportional to 31,848.41, 47,793.42 and 12,127.16 is: 18,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.41 : 47,793.42 = 12,127.16 : x
  2. Step 2: Convert to fraction form
    31,848.41/47,793.42 = 12,127.16/x
  3. Step 3: Cross multiply
    31,848.41x = 47,793.42 × 12,127.16
  4. Step 4: Simplify right side
    31,848.41x = 579,598,212.32
  5. Step 5: Solve for x
    x = 579,598,212.32/31,848.41
  6. Step 6: Final answer
    x = 18,198.66

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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.