Home / 31,318.24-46,989.24-18,846.88

Finding the Fourth Proportional to 31,318.24, 46,989.24 and 18,846.88

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Solution

The fourth proportional to 31,318.24, 46,989.24 and 18,846.88 is: 28,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.24 : 46,989.24 = 18,846.88 : x
  2. Step 2: Convert to fraction form
    31,318.24/46,989.24 = 18,846.88/x
  3. Step 3: Cross multiply
    31,318.24x = 46,989.24 × 18,846.88
  4. Step 4: Simplify right side
    31,318.24x = 885,600,567.57
  5. Step 5: Solve for x
    x = 885,600,567.57/31,318.24
  6. Step 6: Final answer
    x = 28,277.47

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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.