Home / 31,234.77-43,102.98-17,086.68

Finding the Fourth Proportional to 31,234.77, 43,102.98 and 17,086.68

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Solution

The fourth proportional to 31,234.77, 43,102.98 and 17,086.68 is: 23,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.77 : 43,102.98 = 17,086.68 : x
  2. Step 2: Convert to fraction form
    31,234.77/43,102.98 = 17,086.68/x
  3. Step 3: Cross multiply
    31,234.77x = 43,102.98 × 17,086.68
  4. Step 4: Simplify right side
    31,234.77x = 736,486,826.31
  5. Step 5: Solve for x
    x = 736,486,826.31/31,234.77
  6. Step 6: Final answer
    x = 23,579.07

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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.