Home / 31,975.14-47,965.41-8,602.86

Finding the Fourth Proportional to 31,975.14, 47,965.41 and 8,602.86

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Solution

The fourth proportional to 31,975.14, 47,965.41 and 8,602.86 is: 12,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.14 : 47,965.41 = 8,602.86 : x
  2. Step 2: Convert to fraction form
    31,975.14/47,965.41 = 8,602.86/x
  3. Step 3: Cross multiply
    31,975.14x = 47,965.41 × 8,602.86
  4. Step 4: Simplify right side
    31,975.14x = 412,639,707.07
  5. Step 5: Solve for x
    x = 412,639,707.07/31,975.14
  6. Step 6: Final answer
    x = 12,905.02

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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.