Home / 31,419.43-43,359.65-17,080.23

Finding the Fourth Proportional to 31,419.43, 43,359.65 and 17,080.23

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Solution

The fourth proportional to 31,419.43, 43,359.65 and 17,080.23 is: 23,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.43 : 43,359.65 = 17,080.23 : x
  2. Step 2: Convert to fraction form
    31,419.43/43,359.65 = 17,080.23/x
  3. Step 3: Cross multiply
    31,419.43x = 43,359.65 × 17,080.23
  4. Step 4: Simplify right side
    31,419.43x = 740,592,794.72
  5. Step 5: Solve for x
    x = 740,592,794.72/31,419.43
  6. Step 6: Final answer
    x = 23,571.17

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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.