Home / 31,731.05-47,589.89-9,537.86

Finding the Fourth Proportional to 31,731.05, 47,589.89 and 9,537.86

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Solution

The fourth proportional to 31,731.05, 47,589.89 and 9,537.86 is: 14,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.05 : 47,589.89 = 9,537.86 : x
  2. Step 2: Convert to fraction form
    31,731.05/47,589.89 = 9,537.86/x
  3. Step 3: Cross multiply
    31,731.05x = 47,589.89 × 9,537.86
  4. Step 4: Simplify right side
    31,731.05x = 453,905,422.60
  5. Step 5: Solve for x
    x = 453,905,422.60/31,731.05
  6. Step 6: Final answer
    x = 14,304.77

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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.