Home / 31,308.56-43,204.16-17,161.12

Finding the Fourth Proportional to 31,308.56, 43,204.16 and 17,161.12

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Solution

The fourth proportional to 31,308.56, 43,204.16 and 17,161.12 is: 23,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.56 : 43,204.16 = 17,161.12 : x
  2. Step 2: Convert to fraction form
    31,308.56/43,204.16 = 17,161.12/x
  3. Step 3: Cross multiply
    31,308.56x = 43,204.16 × 17,161.12
  4. Step 4: Simplify right side
    31,308.56x = 741,431,774.26
  5. Step 5: Solve for x
    x = 741,431,774.26/31,308.56
  6. Step 6: Final answer
    x = 23,681.44

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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.