Home / 31,726.43-43,782.50-17,579.51

Finding the Fourth Proportional to 31,726.43, 43,782.50 and 17,579.51

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Solution

The fourth proportional to 31,726.43, 43,782.50 and 17,579.51 is: 24,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.43 : 43,782.50 = 17,579.51 : x
  2. Step 2: Convert to fraction form
    31,726.43/43,782.50 = 17,579.51/x
  3. Step 3: Cross multiply
    31,726.43x = 43,782.50 × 17,579.51
  4. Step 4: Simplify right side
    31,726.43x = 769,674,896.58
  5. Step 5: Solve for x
    x = 769,674,896.58/31,726.43
  6. Step 6: Final answer
    x = 24,259.74

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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.