Home / 31,214.97-46,821.38-13,684.95

Finding the Fourth Proportional to 31,214.97, 46,821.38 and 13,684.95

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Solution

The fourth proportional to 31,214.97, 46,821.38 and 13,684.95 is: 20,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.97 : 46,821.38 = 13,684.95 : x
  2. Step 2: Convert to fraction form
    31,214.97/46,821.38 = 13,684.95/x
  3. Step 3: Cross multiply
    31,214.97x = 46,821.38 × 13,684.95
  4. Step 4: Simplify right side
    31,214.97x = 640,748,175.81
  5. Step 5: Solve for x
    x = 640,748,175.81/31,214.97
  6. Step 6: Final answer
    x = 20,526.95

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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.