Home / 30,696.26-42,356.17-17,270.81

Finding the Fourth Proportional to 30,696.26, 42,356.17 and 17,270.81

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Solution

The fourth proportional to 30,696.26, 42,356.17 and 17,270.81 is: 23,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696.26 : 42,356.17 = 17,270.81 : x
  2. Step 2: Convert to fraction form
    30,696.26/42,356.17 = 17,270.81/x
  3. Step 3: Cross multiply
    30,696.26x = 42,356.17 × 17,270.81
  4. Step 4: Simplify right side
    30,696.26x = 731,525,109.44
  5. Step 5: Solve for x
    x = 731,525,109.44/30,696.26
  6. Step 6: Final answer
    x = 23,831.09

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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.