Home / 31,395.60-43,326.18-17,055.54

Finding the Fourth Proportional to 31,395.60, 43,326.18 and 17,055.54

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Solution

The fourth proportional to 31,395.60, 43,326.18 and 17,055.54 is: 23,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.60 : 43,326.18 = 17,055.54 : x
  2. Step 2: Convert to fraction form
    31,395.60/43,326.18 = 17,055.54/x
  3. Step 3: Cross multiply
    31,395.60x = 43,326.18 × 17,055.54
  4. Step 4: Simplify right side
    31,395.60x = 738,951,396.04
  5. Step 5: Solve for x
    x = 738,951,396.04/31,395.60
  6. Step 6: Final answer
    x = 23,536.78

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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.