Home / 31,707.79-43,757.28-17,367.41

Finding the Fourth Proportional to 31,707.79, 43,757.28 and 17,367.41

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Solution

The fourth proportional to 31,707.79, 43,757.28 and 17,367.41 is: 23,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.79 : 43,757.28 = 17,367.41 : x
  2. Step 2: Convert to fraction form
    31,707.79/43,757.28 = 17,367.41/x
  3. Step 3: Cross multiply
    31,707.79x = 43,757.28 × 17,367.41
  4. Step 4: Simplify right side
    31,707.79x = 759,950,731.64
  5. Step 5: Solve for x
    x = 759,950,731.64/31,707.79
  6. Step 6: Final answer
    x = 23,967.32

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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.