Home / 31,091.42-42,905.97-16,944.26

Finding the Fourth Proportional to 31,091.42, 42,905.97 and 16,944.26

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Solution

The fourth proportional to 31,091.42, 42,905.97 and 16,944.26 is: 23,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091.42 : 42,905.97 = 16,944.26 : x
  2. Step 2: Convert to fraction form
    31,091.42/42,905.97 = 16,944.26/x
  3. Step 3: Cross multiply
    31,091.42x = 42,905.97 × 16,944.26
  4. Step 4: Simplify right side
    31,091.42x = 727,009,911.23
  5. Step 5: Solve for x
    x = 727,009,911.23/31,091.42
  6. Step 6: Final answer
    x = 23,382.98

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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.