Home / 31,268.08-43,148.94-17,120.08

Finding the Fourth Proportional to 31,268.08, 43,148.94 and 17,120.08

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Solution

The fourth proportional to 31,268.08, 43,148.94 and 17,120.08 is: 23,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.08 : 43,148.94 = 17,120.08 : x
  2. Step 2: Convert to fraction form
    31,268.08/43,148.94 = 17,120.08/x
  3. Step 3: Cross multiply
    31,268.08x = 43,148.94 × 17,120.08
  4. Step 4: Simplify right side
    31,268.08x = 738,713,304.72
  5. Step 5: Solve for x
    x = 738,713,304.72/31,268.08
  6. Step 6: Final answer
    x = 23,625.16

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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.