Home / 31,154.54-42,993.04-17,007.38

Finding the Fourth Proportional to 31,154.54, 42,993.04 and 17,007.38

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Solution

The fourth proportional to 31,154.54, 42,993.04 and 17,007.38 is: 23,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.54 : 42,993.04 = 17,007.38 : x
  2. Step 2: Convert to fraction form
    31,154.54/42,993.04 = 17,007.38/x
  3. Step 3: Cross multiply
    31,154.54x = 42,993.04 × 17,007.38
  4. Step 4: Simplify right side
    31,154.54x = 731,198,968.64
  5. Step 5: Solve for x
    x = 731,198,968.64/31,154.54
  6. Step 6: Final answer
    x = 23,470.06

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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.