Home / 31,534.45-43,516.44-17,387.19

Finding the Fourth Proportional to 31,534.45, 43,516.44 and 17,387.19

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Solution

The fourth proportional to 31,534.45, 43,516.44 and 17,387.19 is: 23,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.45 : 43,516.44 = 17,387.19 : x
  2. Step 2: Convert to fraction form
    31,534.45/43,516.44 = 17,387.19/x
  3. Step 3: Cross multiply
    31,534.45x = 43,516.44 × 17,387.19
  4. Step 4: Simplify right side
    31,534.45x = 756,628,610.40
  5. Step 5: Solve for x
    x = 756,628,610.40/31,534.45
  6. Step 6: Final answer
    x = 23,993.72

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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.