Home / 31,534.22-43,516.41-17,386.82

Finding the Fourth Proportional to 31,534.22, 43,516.41 and 17,386.82

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Solution

The fourth proportional to 31,534.22, 43,516.41 and 17,386.82 is: 23,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.22 : 43,516.41 = 17,386.82 : x
  2. Step 2: Convert to fraction form
    31,534.22/43,516.41 = 17,386.82/x
  3. Step 3: Cross multiply
    31,534.22x = 43,516.41 × 17,386.82
  4. Step 4: Simplify right side
    31,534.22x = 756,611,987.72
  5. Step 5: Solve for x
    x = 756,611,987.72/31,534.22
  6. Step 6: Final answer
    x = 23,993.36

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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.