Home / 30,877.06-42,610.26-16,729.94

Finding the Fourth Proportional to 30,877.06, 42,610.26 and 16,729.94

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Solution

The fourth proportional to 30,877.06, 42,610.26 and 16,729.94 is: 23,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.06 : 42,610.26 = 16,729.94 : x
  2. Step 2: Convert to fraction form
    30,877.06/42,610.26 = 16,729.94/x
  3. Step 3: Cross multiply
    30,877.06x = 42,610.26 × 16,729.94
  4. Step 4: Simplify right side
    30,877.06x = 712,867,093.18
  5. Step 5: Solve for x
    x = 712,867,093.18/30,877.06
  6. Step 6: Final answer
    x = 23,087.27

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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.