Home / 31,340.53-43,250.84-17,913.97

Finding the Fourth Proportional to 31,340.53, 43,250.84 and 17,913.97

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Solution

The fourth proportional to 31,340.53, 43,250.84 and 17,913.97 is: 24,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.53 : 43,250.84 = 17,913.97 : x
  2. Step 2: Convert to fraction form
    31,340.53/43,250.84 = 17,913.97/x
  3. Step 3: Cross multiply
    31,340.53x = 43,250.84 × 17,913.97
  4. Step 4: Simplify right side
    31,340.53x = 774,794,250.23
  5. Step 5: Solve for x
    x = 774,794,250.23/31,340.53
  6. Step 6: Final answer
    x = 24,721.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.