Home / 31,308.56-43,205.64-17,160.92

Finding the Fourth Proportional to 31,308.56, 43,205.64 and 17,160.92

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Solution

The fourth proportional to 31,308.56, 43,205.64 and 17,160.92 is: 23,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.56 : 43,205.64 = 17,160.92 : x
  2. Step 2: Convert to fraction form
    31,308.56/43,205.64 = 17,160.92/x
  3. Step 3: Cross multiply
    31,308.56x = 43,205.64 × 17,160.92
  4. Step 4: Simplify right side
    31,308.56x = 741,448,531.59
  5. Step 5: Solve for x
    x = 741,448,531.59/31,308.56
  6. Step 6: Final answer
    x = 23,681.97

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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.