Home / 31,315.30-46,969.18-8,827.66

Finding the Fourth Proportional to 31,315.30, 46,969.18 and 8,827.66

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Solution

The fourth proportional to 31,315.30, 46,969.18 and 8,827.66 is: 13,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.30 : 46,969.18 = 8,827.66 : x
  2. Step 2: Convert to fraction form
    31,315.30/46,969.18 = 8,827.66/x
  3. Step 3: Cross multiply
    31,315.30x = 46,969.18 × 8,827.66
  4. Step 4: Simplify right side
    31,315.30x = 414,627,868.47
  5. Step 5: Solve for x
    x = 414,627,868.47/31,315.30
  6. Step 6: Final answer
    x = 13,240.43

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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.