Home / 31,726.85-43,782.41-17,579.39

Finding the Fourth Proportional to 31,726.85, 43,782.41 and 17,579.39

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Solution

The fourth proportional to 31,726.85, 43,782.41 and 17,579.39 is: 24,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.85 : 43,782.41 = 17,579.39 : x
  2. Step 2: Convert to fraction form
    31,726.85/43,782.41 = 17,579.39/x
  3. Step 3: Cross multiply
    31,726.85x = 43,782.41 × 17,579.39
  4. Step 4: Simplify right side
    31,726.85x = 769,667,972.63
  5. Step 5: Solve for x
    x = 769,667,972.63/31,726.85
  6. Step 6: Final answer
    x = 24,259.20

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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.