Home / 31,935.08-47,902.92-11,158.64

Finding the Fourth Proportional to 31,935.08, 47,902.92 and 11,158.64

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Solution

The fourth proportional to 31,935.08, 47,902.92 and 11,158.64 is: 16,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.08 : 47,902.92 = 11,158.64 : x
  2. Step 2: Convert to fraction form
    31,935.08/47,902.92 = 11,158.64/x
  3. Step 3: Cross multiply
    31,935.08x = 47,902.92 × 11,158.64
  4. Step 4: Simplify right side
    31,935.08x = 534,531,439.23
  5. Step 5: Solve for x
    x = 534,531,439.23/31,935.08
  6. Step 6: Final answer
    x = 16,738.06

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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.