Home / 31,723.90-47,588.28-8,350

Finding the Fourth Proportional to 31,723.90, 47,588.28 and 8,350

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Solution

The fourth proportional to 31,723.90, 47,588.28 and 8,350 is: 12,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.90 : 47,588.28 = 8,350 : x
  2. Step 2: Convert to fraction form
    31,723.90/47,588.28 = 8,350/x
  3. Step 3: Cross multiply
    31,723.90x = 47,588.28 × 8,350
  4. Step 4: Simplify right side
    31,723.90x = 397,362,138
  5. Step 5: Solve for x
    x = 397,362,138/31,723.90
  6. Step 6: Final answer
    x = 12,525.64

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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.