Home / 31,696.33-43,740.79-17,160.53

Finding the Fourth Proportional to 31,696.33, 43,740.79 and 17,160.53

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Solution

The fourth proportional to 31,696.33, 43,740.79 and 17,160.53 is: 23,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.33 : 43,740.79 = 17,160.53 : x
  2. Step 2: Convert to fraction form
    31,696.33/43,740.79 = 17,160.53/x
  3. Step 3: Cross multiply
    31,696.33x = 43,740.79 × 17,160.53
  4. Step 4: Simplify right side
    31,696.33x = 750,614,834.51
  5. Step 5: Solve for x
    x = 750,614,834.51/31,696.33
  6. Step 6: Final answer
    x = 23,681.44

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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.