Home / 31,187.30-43,037.93-17,039.84

Finding the Fourth Proportional to 31,187.30, 43,037.93 and 17,039.84

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Solution

The fourth proportional to 31,187.30, 43,037.93 and 17,039.84 is: 23,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.30 : 43,037.93 = 17,039.84 : x
  2. Step 2: Convert to fraction form
    31,187.30/43,037.93 = 17,039.84/x
  3. Step 3: Cross multiply
    31,187.30x = 43,037.93 × 17,039.84
  4. Step 4: Simplify right side
    31,187.30x = 733,359,268.54
  5. Step 5: Solve for x
    x = 733,359,268.54/31,187.30
  6. Step 6: Final answer
    x = 23,514.68

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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.