Home / 31,976.16-47,964.14-8,602.62

Finding the Fourth Proportional to 31,976.16, 47,964.14 and 8,602.62

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Solution

The fourth proportional to 31,976.16, 47,964.14 and 8,602.62 is: 12,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976.16 : 47,964.14 = 8,602.62 : x
  2. Step 2: Convert to fraction form
    31,976.16/47,964.14 = 8,602.62/x
  3. Step 3: Cross multiply
    31,976.16x = 47,964.14 × 8,602.62
  4. Step 4: Simplify right side
    31,976.16x = 412,617,270.05
  5. Step 5: Solve for x
    x = 412,617,270.05/31,976.16
  6. Step 6: Final answer
    x = 12,903.90

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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.