Home / 31,709.83-43,788.98-23,738.21

Finding the Fourth Proportional to 31,709.83, 43,788.98 and 23,738.21

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Solution

The fourth proportional to 31,709.83, 43,788.98 and 23,738.21 is: 32,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.83 : 43,788.98 = 23,738.21 : x
  2. Step 2: Convert to fraction form
    31,709.83/43,788.98 = 23,738.21/x
  3. Step 3: Cross multiply
    31,709.83x = 43,788.98 × 23,738.21
  4. Step 4: Simplify right side
    31,709.83x = 1,039,472,187.08
  5. Step 5: Solve for x
    x = 1,039,472,187.08/31,709.83
  6. Step 6: Final answer
    x = 32,780.76

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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.