Home / 31,687.26-47,527.29-8,315.52

Finding the Fourth Proportional to 31,687.26, 47,527.29 and 8,315.52

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Solution

The fourth proportional to 31,687.26, 47,527.29 and 8,315.52 is: 12,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.26 : 47,527.29 = 8,315.52 : x
  2. Step 2: Convert to fraction form
    31,687.26/47,527.29 = 8,315.52/x
  3. Step 3: Cross multiply
    31,687.26x = 47,527.29 × 8,315.52
  4. Step 4: Simplify right side
    31,687.26x = 395,214,130.54
  5. Step 5: Solve for x
    x = 395,214,130.54/31,687.26
  6. Step 6: Final answer
    x = 12,472.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.