Home / 30,316.97-41,836.34-16,887.50

Finding the Fourth Proportional to 30,316.97, 41,836.34 and 16,887.50

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Solution

The fourth proportional to 30,316.97, 41,836.34 and 16,887.50 is: 23,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.97 : 41,836.34 = 16,887.50 : x
  2. Step 2: Convert to fraction form
    30,316.97/41,836.34 = 16,887.50/x
  3. Step 3: Cross multiply
    30,316.97x = 41,836.34 × 16,887.50
  4. Step 4: Simplify right side
    30,316.97x = 706,511,191.75
  5. Step 5: Solve for x
    x = 706,511,191.75/30,316.97
  6. Step 6: Final answer
    x = 23,304.15

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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.