Home / 31,685.33-43,724.88-18,073.06

Finding the Fourth Proportional to 31,685.33, 43,724.88 and 18,073.06

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Solution

The fourth proportional to 31,685.33, 43,724.88 and 18,073.06 is: 24,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.33 : 43,724.88 = 18,073.06 : x
  2. Step 2: Convert to fraction form
    31,685.33/43,724.88 = 18,073.06/x
  3. Step 3: Cross multiply
    31,685.33x = 43,724.88 × 18,073.06
  4. Step 4: Simplify right side
    31,685.33x = 790,242,270.42
  5. Step 5: Solve for x
    x = 790,242,270.42/31,685.33
  6. Step 6: Final answer
    x = 24,940.32

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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.