Home / 31,272.51-43,155.74-16,932.09

Finding the Fourth Proportional to 31,272.51, 43,155.74 and 16,932.09

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Solution

The fourth proportional to 31,272.51, 43,155.74 and 16,932.09 is: 23,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.51 : 43,155.74 = 16,932.09 : x
  2. Step 2: Convert to fraction form
    31,272.51/43,155.74 = 16,932.09/x
  3. Step 3: Cross multiply
    31,272.51x = 43,155.74 × 16,932.09
  4. Step 4: Simplify right side
    31,272.51x = 730,716,739.87
  5. Step 5: Solve for x
    x = 730,716,739.87/31,272.51
  6. Step 6: Final answer
    x = 23,366.11

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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.