Home / 31,826.94-43,921.25-17,679.80

Finding the Fourth Proportional to 31,826.94, 43,921.25 and 17,679.80

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Solution

The fourth proportional to 31,826.94, 43,921.25 and 17,679.80 is: 24,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.94 : 43,921.25 = 17,679.80 : x
  2. Step 2: Convert to fraction form
    31,826.94/43,921.25 = 17,679.80/x
  3. Step 3: Cross multiply
    31,826.94x = 43,921.25 × 17,679.80
  4. Step 4: Simplify right side
    31,826.94x = 776,518,607.74
  5. Step 5: Solve for x
    x = 776,518,607.74/31,826.94
  6. Step 6: Final answer
    x = 24,398.15

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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.