Home / 31,619.97-47,428.34-9,433.53

Finding the Fourth Proportional to 31,619.97, 47,428.34 and 9,433.53

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Solution

The fourth proportional to 31,619.97, 47,428.34 and 9,433.53 is: 14,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.97 : 47,428.34 = 9,433.53 : x
  2. Step 2: Convert to fraction form
    31,619.97/47,428.34 = 9,433.53/x
  3. Step 3: Cross multiply
    31,619.97x = 47,428.34 × 9,433.53
  4. Step 4: Simplify right side
    31,619.97x = 447,416,621.07
  5. Step 5: Solve for x
    x = 447,416,621.07/31,619.97
  6. Step 6: Final answer
    x = 14,149.81

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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.